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324 resources with the concept denominators

Videos (Over 2 Million Educational Videos Available)
The Circulatory System Part 1: The Heart Video
8:55
The Circulatory System Part 1: The Heart
Prepositional Phrases for Kids | English Grammar Video Video
11:22
Prepositional Phrases for Kids | English...
Population Genetics Video
2:45
Population Genetics
Other Resource Types (324)
31 Items in Collection
Lesson Planet

Math Antics Fractions Video Lessons

For Teachers 3rd - 6th Standards
A series of short videos demonstrate for learners how to work with fractions. The first video in the series defines fractions as being a representation of parts of a whole. As the series continues, viewers learn ways to write division...
EngageNY

EngageNY Precalculus and Advanced Topics Module 1: Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Prepare your mathematicians for calculus with a collection of 32 lessons that focus on three topics: linearity, complex number operations as transformations, and the power of right notation. Each lesson includes teacher materials...
Lesson Planet

Peter’s Garden

For Teachers 3rd Standards
Watch scholars' understanding of fractions bloom. The resource presents a performance task where the fractions are equal parts from the same whole, and mathematicians must use them to solve problems about a grade level garden. Teachers...
Lesson Planet

Math Academy Dining Out!

For Teachers 3rd - 8th Standards
Reinforce fractions skills with a dining out themed unit consisting of four fraction lesson plans, a quiz, and student and teacher surveys. Through activities and learning games, scholars use fractions and percents to order food, count...
Lesson Planet

Study Jams! Percents

For Students 5th - 7th Standards
Sam's mom is a bowling woman and her birthday is around the corner. Can Sam afford the shirt in the store window for her? Mia helps him solve a multi-step percent problem to figure it out!
2 In 2 Collections
Lesson Planet

Study Jams! Fractions

For Students 3rd - 5th Standards
What can quesadillas teach your class about fractions? More than you might think. AJ and Zoe from the StudyJams! crew use this Mexican cuisine to explain how fractions are just equal parts of a whole, defining the key terms numerator and...
Lesson Planet

Bye, Bye, Bye, Fraction Phobia!

For Teachers 2nd - 4th
Young mathematicians utilize video, the internet, and hands-on learning experiences in order to recognize that fractions aren't as "scary" as they first appear, and that we use them every day in our lives. The hands-on activities in this...
1 In 1 Collection
Lesson Planet

Half Math Quilt

For Teachers 3rd - 4th Standards
Help your third graders become familiar with equivalent fractions for one-half by having them create a quilt. They will use triangles to create a quilt of equivalent fractions over a period of 6 days. As they create the quilt pieces they...
1 In 1 Collection 9:13
Lesson Planet

Subtracting Mixed Numbers

For Students 3rd - 6th Standards
New ReviewA nine-minute video focuses on the method of subtracting mixed numbers. The host walks viewers through several examples, pointing out each step using the stacked form, regrouping, or borrowing. The video ends with an encouraging message...
1 In 1 Collection 9:04
Lesson Planet

Adding Mixed Numbers

For Students 3rd - 6th Standards
New ReviewMathematicians walk through the problem-solving process with a nine-minute video that focuses on adding mixed numbers with like and unlike denominators. The host points out and discusses how to use the stacked form, carry, regroup, and...
3:58
Lesson Planet

Ordering Fractions

For Students 6th - 12th Standards
Put fractions in their place. An informative video shows learners how to order fractions with common denominators. The class sees a method of ordering fractions with uncommon denominators by creating equivalent fractions with a common...
Lesson Planet

Fraction Comparison Race

For Teachers 3rd - 5th Standards
A lesson challenges mathematicians to race their peers to prove a fraction is greater than, less than, or equal to a second fraction with a common denominator. After reviewing the concept, small groups work collaboratively to play the...
Lesson Planet

Multiplication of Fractions

For Teachers 4th - 6th Standards
A game of Zonk challenges mathematicians to multiply fractions. Teams send a scholar to solve an equation, the fastest problem-solver gets the chance to roll the dice and earn points. When the game is over, a practice page provides...
Lesson Planet

Percent of a Number: Acid Solution

For Students 6th - 8th Standards
Mathematicians answer five questions about percents, ratios, and proportions with help from an interactive graduated cylinder. Question types include multiple-choice, fill-in-the-blank, and discussion. 
Lesson Planet

Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water

For Students 6th - 8th Standards
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Lesson Planet

Fractions as Percents: Baking Cookies

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to solve word problems involving fractions as percents. Baking two different types of cookies and needing the exact amount requires scholars to make fractions, turn them into...
Lesson Planet

Sums of Fractions with Like Denominators: Cheesy Bread

For Students 6th - 8th Standards
Five questions make up an interactive all about adding fractions with like denominators. Mathematicians answer multiple-choice problems and an open-ended question using a fraction model that resembles sliced bread. The practice ends with...
Lesson Planet

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
Lesson Planet

Multiplication of Whole Numbers by Fractions: Multiplication of Fractions by Whole Numbers

For Students 6th - 8th Standards
An interactive challenges mathematicians to multiply fractions by whole numbers. A model provides a clear visual aid in preparing whole numbers to be multiplied. Six questions include multiple-choice, fill in the blank, short answer, and...
Lesson Planet

Differences of Fractions with Different Denominators

For Students 6th - 8th Standards
Subtracting fractions with unlike denominators is the focus of an interactive designed to boost mathematicians' problem-solving skills. Five questions challenge participants to answer multiple-choice and true or false questions with help...
Lesson Planet

Addition of Fractions

For Students 4th - 8th Standards
Five word-problems challenge mathematicians to add fractions. Interactive fraction circles assist scholars in problem-solving. Question types include multiple-choice, true or false, and a discussion.  
Lesson Planet

Equivalent Fractions

For Students 3rd - 6th Standards
An interactive made up of five questions tests scholars' knowledge of equivalent fractions. Two fraction circles with moveable parts assist mathematicians in finding solutions. Questions are multiple-choice with one discussion. 
Lesson Planet

Fraction Comparison with Lowest Common Denominators: Oranges and Blood Oranges

For Students 6th Standards
Comparing fractions is the focus of a five-question interactive in which mathematicians use oranges to answer real-world multiple-choice, true or false, and discussion questions. 
1 In 1 Collection 5:16
Lesson Planet

Fractions Are Parts

For Students 3rd - 6th Standards
Cut it up into parts and make fractions. The short video provides a definition of fractions as being a representation of parts of a whole. Using drawings, the presentation shows how to determine the bottom and top numbers for a fraction...
3:43
Lesson Planet

Rationalising the Denominator

For Students 9th - 12th Standards
Take the next step in simplifying radical expressions. The video shows how to rationalize the denominator that contains square roots. Examples contain simple radicals and ones that require using conjugates.
Lesson Planet

Fraction Ordering with Lowest Common Denominators: Test Your Strength

For Students 6th Standards
Young mathematicians use a bell and hammer to see how high or low the puck goes. Then, they order the fractional values to demonstrate the greatest to lowest hit. Students then respond to several questions that require them to use...
Lesson Planet

Fractured Numbers

For Students K - 12th Standards
Don't use use a fraction of the resource — use it all! Scholars attempt a set of five problem-of-the-month challenges on fractions. Levels A and B focus on creating fractions and equivalent fractions, while Levels C, D, and E touch on...
Lesson Planet

Equivalent Fractions

For Students 3rd - 5th Standards
Learn how to identify equivalent fractions by using divisors. After reading and discussing the skill, young mathematicians solve two problems using visual fraction models, and then solve eight equivalent fraction problems that involve...
Lesson Planet

Comparing Numerical Fractions (Same Numerator or Denominator)

For Students 3rd Standards
Compare two fractions with like denominators or like numerators in an excellent skills practice worksheet. With 10 sets of worksheets, the packet uses numbers and visual models to help young mathematicians determine greater than, less...
4:07
Lesson Planet

Understood 1

For Teachers 9th - 12th
What is the coefficient, exponent, or denominator of x? The short video reminds the class that there are understood ones all around a single variable. The resource shows that the coefficient, exponent, and denominator of a single...
2 In 2 Collections
EngageNY

Complex Number Division 2

For Teachers 11th - 12th Standards
Individuals learn to divide and conquer complex numbers with a little help from moduli and conjugates. In the second lesson on complex number division, the class takes a closer look at the numerator and denominator of the multiplicative...
1 In 1 Collection
Lesson Planet

Simplifying Fractions

For Students 3rd - 6th Standards
Encourage family participation at home with a reference tool designed to support learners' practice of simplifying fractions. Two pages offer detailed descriptions and labeled examples. 
1 In 1 Collection
Lesson Planet

Multiplying Fractions

For Students 3rd - 6th Standards
Three pages make up a reference document designed to assist families in providing the information needed for their children succeed in mathematics. Detailed descriptions and labeled examples showcase how to multiply fractions. 
Lesson Planet

Simplifying Square Roots

For Students 7th - 10th Standards
The square root of five and five do not have the same value! How many times have you addressed this with math classes? A lesson gives an explanation of a square root and gives examples for simplifying square root expressions,...
Lesson Planet

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
Lesson Planet

Arithmetic of Fractions

For Students 3rd - 6th Standards
Never forget how to add, subtract, multiply, or divide fractions with a two-page document detailing each operation. 
Lesson Planet

Conversion Between Decimals, Fractions, Percentages - Independent Practice Worksheet

For Students 3rd - 7th Standards
Practice converting with a decimals, fractions, and percents math worksheet. Learners work to complete 10 problems, each one with a different starting point to the conversion process.    
Lesson Planet

Conversion Between Decimals, Fractions, Percentages - Matching Worksheet

For Students 3rd - 7th Standards
Pupils stretch their conversion math muscles with a decimals, fractions, and percents worksheet. Ten problems require learners to match the given decimal, fraction, or percent to its equivalent. 
1 In 1 Collection
Lesson Planet

Working With Equivalent Fractions, Decimals and Percentages: Assessments

For Students 3rd - 8th Standards
Following instruction, scholars show what they know with two assessments that coincide with Virtual Math Girl's lessons on equivalent fractions, decimals, and percents. Each assessment provides learners with the opportunity to show their...
1 In 1 Collection
Lesson Planet

Working With Equivalent Fractions, Decimals and Percentages: Activities and Supplemental Materials

For Students 3rd - 8th Standards
Reinforce math concepts using six worksheets that coincide with Virtual Math Girl's video instruction. The practice pages' objectives include writing equivalent fractions, decimal equivalents, and converting percents to decimals and...
1 In 1 Collection 3:45
Lesson Planet

Working with Equivalent Fractions, Decimals and Percentages: Student Video

For Students 3rd - 8th Standards
Accompany math instruction with a captivating video. With the help of Virtual Math Girl, scholars observe a cake-themed, step-by-step model of how to make equivalent fractions, and how to convert these fractions to decimals as well as...
1 In 1 Collection 5:17
Lesson Planet

Working With Equivalent Fractions, Decimals and Percentages: Instructor Video

For Teachers 3rd - 8th Standards
Gather tips, tricks, and recommendations to implement the resources presented by Virtual Math Girl. With a teacher-oriented video, the narrator goes into detail about the cake-themed lessons, worksheets, and activities designed...
1 In 1 Collection
Lesson Planet

Unit 2 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Common denominator, invert, and terminating decimal are only a few terms found in a set of math vocabulary math cards. Made up of 40 cards, the set reinforces terms with boldly printed word cards, and definition cards offering an example...
1 In 1 Collection
Lesson Planet

Finding Equivalent Fractions

For Students 5th - 6th Standards
After learning how to compare equivalent fractions using fraction bars, young mathematicians make equivalent fractions using grids and rectangles. Then, they complete a learning exercise that has eight skills practice problems.
1 In 1 Collection
Lesson Planet

The Numerator and the Denominator

For Students 5th - 6th Standards
Why does a fraction have two part? The beginning of a thorough lesson explains the meaning of the numerator and denominator in a fraction. Visual examples demonstrate the total parts (denominator) and the parts represented (numerator).
Lesson Planet

Duck Into Action With Fractions

For Teachers 2nd - 6th Standards
Ducks hate getting mail! Find out why with a math worksheet that prompts kids to define fractions in order to solve a riddle. They view 12 fractions and align the letters to find the answer.
Lesson Planet

Adding and Subtracting Fractions

For Teachers 4th - 5th Standards
Your learners will enjoy playing a game as a motivator to learning and remembering the adding and subtracting of fractions.
Lesson Planet

Fractions: A Conceptual Approach

For Teachers 3rd - 6th Standards
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
1 In 1 Collection
Lesson Planet

Study Jams! Compare Fractions & Mixed Numbers

For Students 3rd - 6th Standards
Follow along with RJ from the Study Jams! crew as he walks step-by-step through the process for comparing fractions with unlike denominators. Starting with finding the least common denominator, the presentation goes on to demonstrate how...
2 In 2 Collections
Lesson Planet

Study Jams! Add & Subtract with Common Denominators

For Students 3rd - 6th Standards
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
1 In 1 Collection 3:05
Lesson Planet

Write Fractions with Numerator and Denominator

For Students 2nd - 4th Standards
Transition young learners from representing fractions as pictures, to writing them numerically with the third video in this four-part series. The terms numerator and denominator are introduced and clearly defined with examples and visual...
4:36
Lesson Planet

Write Fractions of a Set (1)

For Students 2nd - 4th Standards
Fractions can be represented not only with shapes, but with sets of objects as well. The fourth video of this series builds on prior knowledge of fractions, visually demonstrating how groups of items can be broken into equal parts. After...
6:25
Lesson Planet

What's an Improper Fraction?

For Teachers 3rd - 6th
The instructor explains that an improper fraction is a fraction in which the numerator is greater than the denominator. Use this as an at-home review for learners who are struggling to grasp this concept. 
Lesson Planet

Study Jams! Simplest Form

For Students 3rd - 5th Standards
Make math simple with this step-by-step presentation on fractions in their simplest form. Multiple approaches are introduced including, most efficiently, the division of numerators and denominators by their greatest common factor. Work...
1 In 1 Collection
Lesson Planet

Study Jams! Equivalent Fractions

For Students 3rd - 5th Standards
Submarine sandwiches not only taste good, they also make for great math models. Follow along as Zoe explains how to calculate equivalent fractions, while cutting up a sandwich for herself and her friend. She demonstrates the process...
4:34
Lesson Planet

How Do You Know If Two Ratios are Proportional by Reducing?

For Teachers 7th - 9th
Working on proportional ratios in your class? This video might be for you! An instructor takes a step-by-step approach to reducing and comparing two ratios in order to determine if they are proportional. A clear video, this resource...
3:49
Lesson Planet

How Do You Solve a Proportion by Finding an Equivalent Ratio?

For Teachers 4th - 7th
Find the missing value in this proportional equation. Look at the relationship of the two numerators and the two denominators to solve this proportional ratio.
5:45
Lesson Planet

How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?

For Teachers 4th - 8th
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators showing viewers...
6:16
Lesson Planet

How Do You Add Mixed Fractions with Different Denominators by Converting to Improper Fractions?

For Teachers 3rd - 8th
The first step in adding mixed numbers is to change them into improper fractions. Secondly, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the numerator...
5:38
Lesson Planet

How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?

For Teachers 4th - 8th
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
3:58
Lesson Planet

How Do You Turn a Fraction Into a Repeating Decimal?

For Teachers 6th - 11th
Writing a fraction is just another way of writing a division problem. Which means all fractions are then division problems. Fractions can be converted into decimal numbers by dividing the numerator by the denominator. Follow along as the...
8:52
Lesson Planet

How Do You Put Fractions in Order Using an LCD?

For Teachers 4th - 8th
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
3:54
Lesson Planet

What is a Scale Drawing?

For Teachers 6th - 9th
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
4:07
Lesson Planet

How Do You Subtract Two Rational Expressions with Different Denominators?

For Teachers 8th - 11th
Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.
0:56
Lesson Planet

What's a Rational Equation?

For Teachers 8th - 11th
What is a rational expression? Is it something to do with numerators, denominators, and polynomials? What things make up a rational equation? Watch this video as the teacher explains what makes a rational equation.
2:06
Lesson Planet

How Do You Find the Least Common Denominator of Two Rational Expressions?

For Teachers 8th - 11th
Adding fractions that are in rational expression form? Do they have a common denominator? No? Well, then the least common denominator needs to be found. How is the least common denominator of rational expression found? Watch this video...
3:32
Lesson Planet

How Do You Add Two Rational Expressions with Different Denominators?

For Teachers 8th - 11th
Teach your class how to add two algebraic fractions with different denominators. The instructor in the video describes how to find the common denominator and demonstrates how to simplify the expression. A straightforward video, this...
4:59
Lesson Planet

How Do You Rationalize a Denominator?

For Teachers 9th - 11th
This tutorial video will show you how to get rid of that radical in the denominator and rationalize your fraction! Great for in-class or at-home use, this video could be used to supplement a lesson or clarify radicals, rationalizing, and...
5:52
Lesson Planet

How Do You Turn a Fraction Into a Percent?

For Teachers 6th - 8th
A percent is a value over 100. You are given a fraction and need to make it a percent. Some calculations will need to be made to find an equivalent fraction. The instructor shows you how to make those calculations to the numerator and...
1 In 1 Collection 6:13
Lesson Planet

How Do You Divide a Decimal by a Decimal?

For Teachers 4th - 7th
Many learners would look at this decimal division problem and just skip it. Don't let them do that! Figure out how to help your learners master long division. The teacher helps make decimals and long division seem doable.
0:56
Lesson Planet

What's a Numerator and What's A Denominator?

For Teachers 2nd - 7th
Show your class how to find the numerator and the denominator of a fraction with this video! The video includes a brief explanation and a trick for remembering which is on the top, and which is one the bottom. A great way to help your...
2:03
Lesson Planet

Fraction Terms

For Teachers 5th - 7th
A pint sized math master shares what he knows about fractions. He clearly defines what the denominator and numerator is, what they represent, and what a fraction is. He is a little flustered and his delivery is rushed, but he's got a...
Lesson Planet

Pattern Block Fractions

For Teachers 4th
Fourth graders participate in a lesson that is about the finding of different fractional sizes with the help of pattern blocks. They define the vocabulary terms of numerator and denominator. The lesson also uses geometry and relates it...
4:42
Lesson Planet

How Do You Subtract Two Rational Expressions with Different Denominators?

For Teachers 6th - 12th
Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.
4:15
Lesson Planet

How Do You Add Two Rational Expressions with Different Denominators?

For Teachers 6th - 12th
Teach your class how to add two algebraic fractions with different denominators. The instructor in the video describes how to find the common denominator and demonstrates how to simplify the expression. A straightforward video, this...
10:17
Lesson Planet

How Do You Solve a Rational Equation by LCD Multiplication?

For Teachers 6th - 12th
Use the least common denominator to solve rational equations with variables in the denominators of algebraic fractions. Learners can watch this video to find out how to do just this! An instructor solves 2 problems by finding the least...
10:35
Lesson Planet

How Do You Solve a Rational Equation by Adding Fractions?

For Teachers 6th - 12th
A comprehensive video, this resource explains how to solve an equation when you have a variable in the denominator. The lecturer works through 2 different problems that represent 2 situations. From this video, pupils can gain knowledge...
9:28
Lesson Planet

How Do You Put Fractions in Order Using an LCD?

For Teachers 6th - 12th
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
1:33
Lesson Planet

What's a Numerator and What's A Denominator?

For Teachers 6th - 12th
Show your class how to find the numerator and the denominator of a fraction with this video! The video includes a brief explanation and a trick for remembering which is on the top, and which is one the bottom. A great way to help your...
7:59
Lesson Planet

How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?

For Teachers 6th - 12th
A detailed video tutorial on how to solve an equation with fractions with different denominators, this resource could prove to be a valuable tool. This video covers how to deal with fractions as well as how to solve an algebraic equation...
5:34
Lesson Planet

How Do You Rationalize a Denominator?

For Teachers 6th - 12th
This tutorial video will show you how to get rid of that radical in the denominator and rationalize your fraction! Great for in-class or at-home use, this video could be used to supplement a lesson or clarify radicals, rationalizing, and...
5:17
Lesson Planet

How Do You Determine If Two Ratios are Proportional by Reducing?

For Teachers 6th - 12th
Working on proportional ratios in your class? This video might be for you! An instructor takes a step-by-step approach to reducing and comparing two ratios in order to determine if they are proportional. A clear video, this resource...
10:28
Lesson Planet

How Do You Divide Two Rational Expressions?

For Teachers 6th - 12th
An instructor walks viewers through a complicated problem in which she divides 2 rational expressions. For this problem, she has to find excluded values, use the zero product property, multiply, divide, cancel, and simplify. This video...
4:31
Lesson Planet

What is a Scale Drawing?

For Teachers 6th - 12th
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
6:15
Lesson Planet

How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?

For Teachers 6th - 12th
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
6:21
Lesson Planet

How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?

For Teachers 6th - 12th
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators, showing viewers...
6:28
Lesson Planet

How Do You Turn a Fraction Into a Percent?

For Teachers 6th - 12th
A percent is a value over 100. You are given a fraction and need to make it a percent. Some calculations will need to be made to find an equivalent fraction. The instructor shows you how to make those calculations to the numerator and...
2:10
Lesson Planet

Why Can't You Divide By 0?

For Teachers 6th - 12th
A mathematic impossibility? What? There's something you can't do in math? Yes! Believe it or not, you can't divide by zero! Watch this video and see the proof.
7:16
Lesson Planet

How Do You Simplify a Polynomial Over a Polynomial Using Opposite Binomial Factors?

For Teachers 6th - 12th
The teacher explains the many steps in simplifying a rational expression using opposite binomial factors. At first it seems complicated but if you follow along and watch out for your negative numbers you can learn how to simplify this...
6:11
Lesson Planet

How Do You Divide Two Polynomials by Factoring and Canceling?

For Teachers 6th - 12th
The rational expression in this example is of a trinomial divided by a trinomial. Learn how to simplify this rational expression. The instructor demonstrates how to factor each trinomial and cancel the like terms to get it in simplest form.
1:16
Lesson Planet

What's an Improper Fraction?

For Teachers 6th - 12th
The instructor explains that an improper fraction is one in which the numerator is greater than the denominator.
Lesson Planet

Fractions

For Teachers 2nd - 3rd
Fractions are scary for a lot of young mathematicians. This cute presentation tries to take the "scary" out of fractions. The basics are covered: the numerator, the denominator, and the fact that a fraction is a representation of a part...
Lesson Planet

Fractions VII - Adding Like Denominators

For Teachers 3rd - 4th
This series of presentations on fractions by Monica Yuskaitis is quite good. In this one, she has learners practice the skill of adding fractions with like denominators, then simplifying their answers. Feedback is given for each answer...
Lesson Planet

Fraction Models

For Students 3rd - 4th
Approach fractions with these visual models which serve to reinforce numerators and denominators as well as simplifying improper fractions. Scholars examine segmented shapes and fill in a fraction to represent the shaded region. For the...
Lesson Planet

Ordering Sets of Numbers

For Students 3rd - 5th Standards
There are mixed and whole numbers in these sets; can your scholars put them in order from least to greatest? For each set they put five numbers in order, paying close attention to the whole numbers attached to the fractions. Learners...
Lesson Planet

Parts of a Set

For Students 2nd - 3rd
Calling all fraction novices! Use sets of objects to introduce scholars to fractions before they even have learned about numerators and denominators (but this is a great way to introduce these terms!). The first section has four...
Lesson Planet

Fractions

For Students 3rd - 4th
What fraction is represented by these shapes? Scholars examine fraction models as they apply basic fraction skills. The first two problems are guided; they look at a set of shapes with some shaded, circling (from three options) the...
Lesson Planet

Express Whole Numbers as Fractions

For Students 4th - 5th
Show examples of fractions in the real world to help scholars grasp this complex concept. Because there is only one word problem here with an answer detailed below, this is ideal as an all-class warm up. Learners examine an image of a...
Lesson Planet

Student Exploration: Adding Fractions

For Students 3rd - 5th
Elementary schoolers investigate concepts associated with adding fractions. They access Gizmo, an online application, in order to practice adding fractions. Pupils solve problems and complete short answer questions using the application,...
Lesson Planet

Flash Fractions

For Teachers 1st - 3rd
The first few slides in this resource describe the parts of a fraction. Then, learners view various representations of a few given fractions. They complete an activity where they assess images to determine a specific part/whole...
Lesson Planet

Denominators and Numerators

For Teachers 2nd - 4th
Fractions can be tricky. Luckily, you've found this handy slide-show. It defines the various parts that fractions are made of and then shows what each part represents. Images of shaded blocks act as a visual reference for the part/whole...
Lesson Planet

Fantastic Fractions

For Students 5th - 7th
Young math whizzes solve 20 various types of equations related to fractions. First, they state each portion shaded as a fraction in lowest terms. Then, they determine the missing numerator or denominator and determine the value of each...
Lesson Planet

Fractions Forever!

For Teachers 5th - 8th
Middle schoolers identify proper, improper fractions, and mixed numbers.  They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as decimal...
Lesson Planet

Adding and Subtracting Fractions (With Unlike Denominators)

For Students 5th - 6th
In this math worksheet, students subtract and add fractions with unlike denominators. Students solve the problem in steps. They are given examples of how to solve the problems.
Lesson Planet

PIZZA = "Fractions: Any Way You Slice It!"

For Teachers 3rd - 4th
Who doesn't love pizza! Explore and investigate the relationship between fractions using pizza. Third graders will compare equivalent fractions using paper pizza slices. They also define equal fractions by comparing fractional parts to...
Lesson Planet

Fraction Representations - Grade One

For Teachers K - 2nd Standards
Early learners identify commonly used fractions such as  halves, thirds, and fourths. There are many activities in this three part lesson plan. They use manipulatives to develop an understanding of fractions and fractional parts. They...
Lesson Planet

The Infinite Pine Tree

For Students 6th
In this fractions worksheet, 6th graders solve and complete 7 different problems that include fractions. First, they identify and complete the denominator for the unit fractions in each of the squares shown on the sheet. Then, students...
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Adding Fractions

For Teachers 3rd - 4th
Students examine how to add fractions. In this adding fractions lesson plan ,students discover how to add fractions with and without the same denominator. Students simplify the solution.
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Summer Bridge Activities 4-5

For Teachers 4th - 5th
In this cross-curricular worksheet, students complete various activities. They complete a crossword puzzle dealing with electricity, change mixed numbers into decimals, subtract fractions, identify adjectives in sentences, solve money...
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Evaluating Expressions

For Students 8th - 9th
For this evaluating expressions worksheet, students solve and complete 50 various types of review problems. First, they complete each sentence and define the listed terms. Then, students evaluate each expression for the given values....
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Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
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Proper Fractions: Activity Sheet

For Students 2nd - 4th Standards
Practice identifying fractions with a worksheet that asks scholars to explore drawings and pinpoint parts of a whole. Class members asses figures and objects to identify the numerator, denominator, and write them in fraction form. 
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How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?

For Teachers 7th - 9th
A detailed video tutorial on how to solve an equation with fractions with different denominators, this resource could prove to be a valuable tool. This video covers how to deal with fractions as well as how to solve an algebraic equation...
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How Do You Turn a Fraction Into a Terminating Decimal?

For Teachers 6th - 9th
Writing a fraction is just another way of writing a division problem. Which means all fractions are then division problems. Fractions can be converted into decimal numbers by doing the division. This fraction can be converted into a...
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How Do You Divide Monomials Using the Greatest Common Factor?

For Teachers 8th - 9th
Factor out the greatest common factor to simplify a rational expression. When the greatest common factor is divided out of the numerator and the denominator what is left is the rational expression in simplest form. Watch as the teacher...
1:10
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What's a Complex Expression with Rational Expressions?

For Teachers 8th - 11th
The teacher defines a complex fraction. She writes an example on the whiteboard. She says that any fraction that additionally has another fraction in either the numerator, or the denominator, or both, is a complex fraction.
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How Do You Multiply Two Rational Expressions?

For Teachers 8th - 11th
Before doing any kind of multiplication, first see if the terms can be reduced. Otherwise the values after multiplying can be very large and would need to be reduced anyway to simplest terms. So check out how to factor the given rational...
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How Do You Convert a Mixed Expression To a Rational Expression?

For Teachers 8th - 10th
Given a monomial and a polynomial, rewrite the expression as a rational number. This is not as confusing as you might think. First is to make the monomial a rational number by giving it a denominator. Once that is done, numbers can be...
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Why is it Called a Rational Expression?

For Teachers 6th - 12th
If your algebraic expression is a ratio of two polynomials then you have a rational expression. Find out what that might look like.
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What's a Rational Expression?

For Teachers 6th - 12th
A rational expression has a polynomial in the numerator as well as a polynomial in the denominator. The instructor writes out an example for you to see.
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Popcorn Fractions

For Teachers 3rd - 5th
Upper graders explore fractions to determine a fractional part of a whole. They are given 30 pieces of popcorn and asked to divide it into halves, thirds, etc. Learners practice representing the popcorn groups as a numerator and...
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Multiplying Fractions

For Teachers 3rd - 5th
Learners analyze word problems requiring multiplying fractions. They manipulate geoboards as a visual representation, one child completes a multiplication problem, while the other draws an image to collaborate and problem solve in...
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Reading and Writing Decimal Numbers

For Teachers 4th
Fourth graders discover how to read and write decimal numbers. In this decimal lesson, 4th graders read decimals written in word form and write them in decimals form. Students use place value charts to write decimals in word form.
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Naming Fractional Parts

For Teachers 1st - 2nd
Students explore simple fractions. In this fractions lesson, students identify fractional parts. Students participate in fraction activities including folding paper, grouping sets, playing a game, and completing worksheets.
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Solving Fractions with Manipulatives

For Teachers 3rd - 5th
Students use candy bars, beef jerky, and brownies to represent different fractions. Students also use colored multi-link cubes or blocks to illustrate the same representations of fractions. Students work with a partner to create diagrams...
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Fractions

For Teachers 3rd - 5th
Students determine that a fraction is a part of a whole or part of a group. They write and read fractions and solve various fraction problems. They create their own fraction problem using colored candies for their classmate to solve.
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Comparing Fraction and Equivalence

For Students 3rd - 5th Standards
Which ones are equivalent? Scholars examine four fraction models to determine which ones represent the same fraction. This is a great way to help kids with numerators and denominators, as they can physically count the total number of...
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Comparing Fractions with Like Numerators or Denominators

For Students 4th - 5th
There are five fraction models here and each has a corresponding numeric fraction it represents. Scholars use the models to better comprehend fractions as they match each to its correct numeric form. Although all of these fractions could...
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Understanding Visual Fractions

For Students 3rd - 5th
Visualize fractions using segmented shapes. The five shapes here are each divided into equal parts, with some parts shaded. Mathematicians match the shapes to the fraction represented by the shaded region. This is a good way to introduce...
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Understand a Fraction on a Number Line

For Students 3rd - 5th Standards
Where would 3/4 be on the number line? Project this fraction problem as an all-class warm up, asking scholars to complete it on their own before revealing the detailed explanation below. Using a number line segmented into quarters, they...
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Understanding Visual Fractions

For Students 3rd - 5th
These shapes give scholars an excellent chance to see numerators and denominators in a visual way. They examine segmented shapes with portions colored in, determining what fraction the shaded section represents. For some problems, there...
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Represent a Fraction on a Number Line

For Students 3rd - 5th Standards
A number line serves as the medium to display visual fractions as scholars examine two points along its segmented length. The line is split into quarters and scholars determine which fraction is represented by two letters labeled at...
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Understanding Visual Fractions

For Students 3rd - 5th
Learners can actually see the numerators and denominators as they examine three segmented shapes. For each, they must write a fraction representing the shaded regions of the shape. Only one of these can be simplified, so decide whether...
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Comparing Fractions with Like Numerators or Denominators

For Students 1st - 3rd Standards
Who has more candy? Learners start by examining a word problem and its visual illustration to determine how Joel's candy numbers compare to Toby's. They fill in the appropriate symbol. Next, mathematicians compare fractions and two...
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Understand a Fraction on a Number Line

For Students 4th - 6th
Each of these fractions has an accompanying number line, segmented only by lines. Scholars match the fractions to the corresponding number line based on how many total segments (denominator) and the line circled (numerator). This may be...
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Fractional Parts Using an Area Model

For Teachers 5th - 7th Standards
Learners explore multiplying fractions and their relationship to parts of a whole. They draw and shade fractional parts to show parts of a whole and fractional parts of a fraction. Pupils also use an Internet site for interactive practice.
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Fractions: Part of a Whole

For Teachers 4th - 5th
Learners add fractions with like denominators. They add using both fraction strips and numbers. Next, they look at mixed numbers and improper fractions that result from the addition process. This is a good way to understand fractions...
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Fraction Halves

For Teachers 1st - 2nd
When you cut an object into two equal parts, you're creating halves or fractions. Introduce the numerator, denominator, and what they represent to your class. They review what a fraction is and then label the images that are halves.
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Fractions

For Teachers 3rd - 4th
This simple, yet effective, presentation should give your learners good practice in identifying fractions based on a pictured representation. The pictures are varied, and the denominators are more than just the standard 1/4, 1/3, and 1/2.
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Half of a Half

For Teachers 3rd - 5th
After your math classes have been introduced to fractions (especially those with denominators of two, four, and eight), introduce them to fractions on a number line with this lesson plan. Using a meter length of tape, show your class...
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Find Part of a Number - Problem Solving 19.5

For Students 5th - 6th
In this fractional parts worksheet, students study the table of coin collection numbers. Students then use the problems to find the missing coin amount for each fraction word problem.
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Batter Up! - Enrichment 19.5

For Students 5th - 6th
In this fraction word problem worksheet, students use the clues and the measurements of the baseball park to fill in and find the measurements for each word problem.
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Find Part of a Number - Homework 19.5

For Students 5th - 6th
In this fractional parts worksheet, students find the fractional part of each number for the sixteen problems. Students can use the review box to remember to divide and multiply to find the fractional parts. Students also complete one...
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Find Parts of a Number - Practice 19.5

For Students 5th - 6th
In this fractional parts activity, students use division and multiplication to help them find the fractional parts of a number for the thirty questions. Students then answer two test prep word problems.
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Fractions in Simplest Form

For Students 5th
In this fractions learning exercise, 5th graders write the factors of 12 and 16, write the greatest common factor of 12 and 16, divide by the greatest common factor for 12/16 and write what the simplest form is of the fraction 12/16....
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Which Fraction is Bigger or Smaller?

For Teachers 4th - 5th
Compare fractions with common numerators! Pupils look at fractions with different denominators and the same numerator to find which one is bigger. They look at hands-on manipulations of fractions to understand the concept of why one is...
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Understanding Fractions - Cookbook Comparisons

For Teachers 2nd - 3rd
Learners explore equal fractions in relationship to a whole unit. They fold strips of paper into halves, thirds, etc. and compare them to the first strip which represents a "whole unit." Fractional parts are identified and compared.
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ExplorA-Pond:3rd Grade Shapes & Fractions

For Teachers 1st - 3rd
Students, using a map, drawing or aerial view of a pond, represent the shape of the pond using simple geometric shapes or fractions of those shapes. They identify the numerator and denominator in each fraction created.
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Numbers: Fractions: Fraction Basics

For Students 3rd - 4th
For this fractions worksheet, students identify and complete 5 different problems that include identifying various types of fractions. First, they define the numerator and denominator in each fraction. Then, students match the fraction...
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Find Golden Rectangles

For Students 10th
In this golden rectangles learning exercise, 10th graders solve and complete 6 different problems that include measuring the length and width of rectangles. First, they use the chart given to calculate the rectangles that are golden...
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Fractions with the Same Numerator

For Students 5th - 6th
In this fractions worksheet, learners solve and shade 22 different problems that include various fractions. First, they shade in as much of the fraction ruler as the fraction on the left indicates. Then, students use the fraction rulers...
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Using a New Denominator

For Students 6th
In this fractions worksheet, 6th graders solve 9 different problems that include adding or subtracting fractions. First, they determine the least common denominator in each problem. Then, students add or subtract each of the given...
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Adding & Subtracting Fractions

For Students 6th
In this adding and subtracting fractions learning exercise, 6th graders solve 28 different problems that include adding and subtracting various fractions. First, they study the names for each of the given fractions. Then, students add or...
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Finding a Fraction of a Fraction

For Teachers 5th
Teach your math class to determine the value of fractions. The group will explore how to break a fractional part into smaller pieces, which helps strengthen their understanding of the part/whole relationship of fractions. A written...
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Initial Fraction Ideas Lesson 15: Overview

For Teachers 5th - 6th
Observe fraction numerators and denominators to determine if they are less than or equal to 1/2. In this fractions lesson plan, learners simplify fractions and determine their relationship to 1/2.
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Fractions

For Teachers 2nd - 3rd
Young mathematicians use fraction names and symbols to describe fractional parts of whole objects or sets of objects. They construct concrete models of fractions, and compare fractional parts of whole objects in a problem situation using...
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I'll Halve S'More, Please!

For Teachers 3rd - 5th
An episode of Cyberkids is shown, and learners interact with web based activities to discover how fractions are parts of a whole. They study the names of fraction parts, add and subtract fractions, and recognize equivalent fractions.
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Estimates

For Students 4th - 6th
Learners solve multiplication and division equations using estimation. They round numbers by calculating an estimate for each of the given sums. This would be a useful classroom resource.
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Veggie Chop and Data Analysis

For Teachers 1st
First graders chop vegetables into fractions. In this fractions lesson, 1st graders cut vegetables, collect data about favorite vegetables and create a bar graph using the information. Students make inferences about the data and  record...
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Equivalent Fractions

For Teachers 4th - 5th
Students complete a worksheet.  In this fractions lesson, students review their knowledge of fractions, define equivalent fractions, see examples of equivalent fractions and practice making equivalent fractions.
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Regents Exam Questions: Rationalizing Denominators 1

For Students 9th - 12th
In this rationalizing worksheet, students simplify expressions containing rational numbers.  They identify equivalent expressions containing fractions and square roots.  This four-page worksheet contains 16 multiple-choice problems.  An...
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Fractions Involving Regions, Sets, and Number Lines

For Teachers 2nd - 3rd
Students discover how fractions can be represented and shown in various ways.  In this fraction lesson, students review fractions of a whole and set.  Students then explore how fractions can be shown using number lines, within sets, and...
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Subtracting Mentally Similar Fractions

For Teachers 4th - 5th
Learners practice mental subtraction with fractions. Students subtract fractions with like denominators mentally to solve word problems. Learners manipulate fraction bars to represent subtraction problems. Students play fraction...
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Adding and Subtracting Fractions

For Students 3rd - 5th
In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
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Introduction to Fractions

For Teachers 4th
Fourth graders make pizza.  In this fractions lesson, 4th graders define fractions, learn about numerators and denominators, view different fractions, and make pizzas to practice making fractions.
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Multiplication: Fractions Practice #2

For Students 6th - 8th
In this multiplication worksheet, students multiply fractions.  They reduce fractions to their lowest terms.  This one-page worksheet contains 15 problems.
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Fraction Subtraction Worksheet

For Students 6th - 8th
For this fraction worksheet, students subtract fractions with unlike denominators.  This one-page worksheet contains 24 problems.
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Cow Problem

For Students 7th - 9th
In this cow problem worksheet, students add fractional numbers.  They explore a word problem requiring addition of fractions and logic.  This one-page worksheet contains 1 problem.  The answer is provided at the bottom of the page.
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Factors Galore A: Common Factors

For Teachers 5th - 6th
Students simplify fractions using the TI-73 calculator. For this fractions lesson, students manually simplify fractions in their calculators by choosing the factor by which to reduce them. Using the given fractions, students list the...
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Number: Percentages

For Teachers 5th - 6th
Students practice and then have a race to calculate percentage and fractional parts. In this percent and fraction instructional activity, students start with 1% and work their way up.  After each practice a quick race takes place. ...
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Fractions

For Teachers 1st
First graders investigate fractions. In this fractions instructional activity, 1st graders use paper and divide it into sections. Students shade in the fractional parts. Students discuss how to share a sandwich among two friends, three...
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Chapter 3 Part 1 Test: Fractions

For Students 7th - 8th
For this fraction worksheet, students add and subtract fractions with unlike denominators. Problems contain improper fractions and mixed numbers. They simplify fractions. This four-page worksheet contains 10 multiple-choice problems and...
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Fractions: Adding Like Denominators

For Students 7th - 8th
For this fractions worksheet, students add fractions with like denominators. Students find the sum of mixed numbers. This one-page worksheet contains 10 problems.
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Arithmetic: Fractions

For Students 7th - 8th
In this fractions learning exercise, students identify fractional parts, form equivalent fractions, and order fractions. They calculate the fractional part of a number and convert mixed numbers to improper numbers. This eight-page...
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Fractions: Adding Like Denominators

For Students 5th - 7th
In this fractions worksheet, students add mixed fractions with like denominators. They state answers in their lowest terms. This one-page worksheet contains 10 problems.
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Solving Equations With Fractions

For Students 9th - 11th
For this solving equations with fractions worksheet, students determine the least common denominator and then solve the given equation. Variables are given on both sides of the equal sign but appear only in the numerator. This one-page...
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Operations with Rational Expressions

For Students 9th - 11th
In this rational expression worksheet, students simplify rational expressions. This one-page worksheet contains 8 multi-step problems.
2 In 2 Collections
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Simplifying Fractions

For Students 7th - 8th
For this simplifying fractions worksheet, students solve and complete 10 various types of problems. First, they write the fractions in simplest form and find the lowest common denominator for each pair. Then, students change the improper...
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Fractions Lesson Plan

For Teachers 1st - 2nd
Students explore equivalent fractions. In this fractions lesson plan, students use strips of paper to recognize equivalent fractions. Students may complete an online activity on an interactive whiteboard as an assessment.
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Serving up Numerators and Denominators

For Teachers 4th - 5th
Young scholars explore the whole/part relationship between a numerator and a denominator. In this fractions lesson, the students determine the fractional parts represented by each color within a random handful of jellybeans. Results are...
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Fraction/Decimal Worksheet 1

For Students 4th - 5th
In this fractions worksheet, students convert fractions to decimals by dividing the numerator by the denominator. Students complete 9 problems.
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Fraction Fun

For Teachers 4th - 6th
In this fraction practice worksheet, students use a matrix of different noises found in 5 towns. Students determine what fraction of the towns are experiencing noise problems and write the fraction for each town.
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Subtracting Mixed Numbers

For Teachers 5th
In this mixed numbers worksheet, 5th graders solve 10 mixed number subtraction problems. Helpful steps are included plus an example to guide them as they solve each problem.
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Adding and Subtracting Fractions

For Students 4th - 6th
In this adding and subtracting fractions worksheet, students are guided through the process of adding and subtracting fractions and finding the least common denominator for fractions with different denominators. They practice adding and...
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Pizza Party

For Teachers K - 2nd
Students explore the concept of fractions through use of hands on activity. In this lesson about fractions, students will work together in small groups with a round piece of paper, or pizza, and cut the pizza into pieces. Students will...
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Fractional Parts of a Group

For Students 3rd - 4th
In this problem solving worksheet, students problems solve the answers to 5 mathematical word problems involving fractional parts. Students use data from a pictograph to assist them in solving each word problem.
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Whole Fractions

For Students 3rd - 4th
In this identifying fraction parts worksheet, students observe drawings, count, and record the shaded fraction parts. Students solve seventeen problems.
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Polynomials

For Students 9th - 11th
In this polynomials learning exercise, students solve and complete 16 different types of problems. First, they solve each of the fractional expressions shown. Then, students factor each polynomial and find their roots. In addition, they...
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Basic Operations ~ Fractions

For Students 6th - 7th
In this basic operations with fractions instructional activity, students solve and complete 17 various types of problems. First, they solve problems using the basic operations with fractions. Then, students find the least common...
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Estimations

For Students 5th - 6th
In this estimations instructional activity, students solve and complete 25 various types of problems. First, they convert each decimal shown to a fraction and reduce the fractions to lowest terms. Then, students convert each fraction to...
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Rational Numbers

For Students 6th - 7th
In this rational numbers worksheet, students solve and complete 25 different problems that include identifying numerous types of rational numbers. First, they place a greater than, less than or equal to symbol between the fractions to...
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Dividing by Monomials

For Students 9th
In this monomials worksheet, 9th graders solve and complete 27 different problems that include using division to solve. First, they divide powers with the same base by subtracting the exponents. Then, students simplify each expression,...
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Rational Expressions

For Students 11th
In this rational expressions worksheet, 11th graders solve and complete 26 different problems that include simplifying each expression. First, they simplify each equation and state the excluded values. Then, students determine a common...
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Solving Equations with the Variable on Both Sides

For Students 9th
In this solving equations worksheet, 9th graders solve and complete 21 different problems that include solving various equations that contain a variable on both sides of the equal sign. Then, students write an equations and solve it,...
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Solving Proportions

For Students 9th
In this solving proportions worksheet, 9th graders solve and complete 16 different equations that include using proportions. First, they define a proportion and begin by eliminating the fractions in each. Then, students multiply both...
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Proportional Reasoning: Ratio Applications

For Students 8th
In this ratio applications worksheet, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write and solve...
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Simplifying Rational Expressions

For Students 10th - 11th
In this rational expression instructional activity, students simplify rational expressions. Explanations and examples are provided. This two-page instructional activity contains 20 problems, with answers listed at the end of the document.
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Addition and Subtraction of Rational Expressions

For Students 9th
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
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Tops and Bottoms

For Students 5th
In this fractions instructional activity, 5th graders rearrange numerators and denominators in 11 sets of fractions to form 10 fractions that are equivalent. Students use 4 sets of numbers to build as many pairs of equivalent fractions...
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Radicals

For Students 9th
In this radicals worksheet, 9th graders identify and solve 21 different problems that include various simple radical forms. First, they determine if there is a radical in the denominator. Then, students rationalize the denominator by...