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Math Is Fun

Math Is Fun: Mathopolis: Fractions

For Students 5th - 7th Standards
Ten interactive questions on adding and subtracting fractions. Each question is supported by a detailed explanation of the solution.
Interactive
Visual Fractions

Visual Fractions: Add Unlike Fractions With Number Line Models

For Students 3rd - 8th Standards
Boost your ability to add number line fractions with unlike denominators with this interactive math game. A basic understanding of factors is key to success. Instructions with detailed examples are easily accessible.
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McGraw Hill

Glencoe: Self Check Quizzes 3 Add and Subtract Fractions With Like Denominators

For Students 9th - 10th
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At...
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems

For Students 4th - 6th Standards
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
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Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems

For Students 3rd - 5th Standards
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Making S'mores

For Teachers 5th - 8th Standards
The purpose of this instructional task is to motivate a discussion about adding fractions and the meaning of the common denominator. The different parts of the task have students moving back and forth between the abstract representation...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Fractions With Different Denominators

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This video gives steps of finding common denominators and then adding and subtracting multiple fractions together. After the video, there are practice problems...
Unit Plan
PBS

Pbs: Logical Leaps: Adding Rational Numbers on the Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
Interactive
Calculator Soup

Calculator Soup: Lcd Calculator Least Common Denominator

For Students 9th - 10th
Use this Least Common Denominator Calculator to find the lowest common denominator (LCD) of fractions, integers and mixed numbers. Finding the LCD is important because fractions need to have the same denominator when you are doing...
Activity
Interactive Mathematics

Interactive Mathematics: Factoring and Fractions

For Students 9th - 10th Standards
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Professional Doc
Louisiana Department of Education

Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Addition and Subtraction of Fractions

For Students 5th Standards
A guide to support parents as they work with their students in the addition and subtraction of fractions.
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Illustrative Mathematics

Illustrative Mathematics: Fractions on a Line Plot

For Students 4th - 6th Standards
Students will play a game with a partner to create a line plot with fractions.
Unit Plan
The Math League

The Math League: Fractions

For Students 9th - 10th
This tutorial covers all types of fractions with simple explanations on how to work with them.
Whiteboard
ClassFlow

Class Flow: Finding the Common Denominator

For Teachers 6th - 8th
[Free Registration/Login Required] This flipchart presents a method for finding the common denominator of fractions.
Unit Plan
CPALMS

Cpalms: Measure Up! Measuring to Make a Line Plot

For Teachers 3rd Standards
[Free Registration/Login Required] In this lesson, students will generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch and show the data by making a line plot. This lesson includes an...
Activity
University of Cambridge

University of Cambridge: Nrich: Fun Time

For Students 3rd - 8th Standards
On this one page website sharpen your logic and fraction skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Fractions in a Box

For Students 3rd - 8th Standards
On this one page website sharpen your logic and fraction skills while working on this challenge. The solution is available to double check your solution.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Increasing or Decreasing? Variation 1

For Teachers 9th - 10th Standards
This task asks students to examine an expression that has a denominator represented by the addition of two fractions. Each of those fractions has a denominator that is a variable. They are asked to analyze the structure of the expression...
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Illustrative Mathematics

Illustrative Mathematics: 4.nf Making 22 Seventeenths in Different Ways

For Teachers 3rd - 5th Standards
This task is a straightforward task related to adding fractions with the same denominator. The main purpose is to emphasize that there are many ways to decompose a fraction as a sum of fractions, similar to decompositions of whole...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Jog a Thon

For Teachers 4th - 8th
The purpose of this task is to present students with a situation where it is natural to add fraction with unlike denominators; it can be used for either assessment or instructional purposes. Aligns with 5.NF.A.1.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Salad Dressing

For Teachers 4th - 8th Standards
The purpose of this task is to have students add fractions with unlike denominators and divide a unit fraction by a whole number. This accessible real-life context provides students with an opportunity to apply their understanding of...
Whiteboard
ClassFlow

Class Flow: Adding Like Fraction and Mixed Numbers

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart reviews the meaning of numerator, denominator, mixed number, and improper fraction. Students are introduced to adding like fractions and adding mixed numbers with like denominators using...
Activity
Help Algebra

Help algebra.com: Simplifying Rational Expressions

For Students 9th - 10th Standards
The process of factoring and canceling is used to simplify, multiply, and divide rational expressions. Adding and subtracting rational expressions is also demonstrated, including finding common denominators.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...