Interactive
Calculator Soup

Calculator Soup: Mixed Numbers Calculator

For Students 9th - 10th
Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...
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Elias Saab

Math Drills: Fraction Operations Quiz #1

For Students 9th - 10th Standards
An interactive quiz which provides students with two fractions and a randomly selected operation sign between them. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and...
Website
Other

Mathpower: Math Fundamental Assignments

For Students 9th - 10th Standards
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Whiteboard
SMART Technologies

Smart: Foundational Math Concepts for Elementary Ages

For Teachers K - 1st Standards
Practice everyday math skills such as adding, subtracting, multiplying, dividing, place value, counting money, telling time, fractions, decimals, and more.
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NumberNut

Number Nut: Adding Values Less Than Thirty Cents

For Students 1st - 4th Standards
Add the money amount and coins to find the total value of the money. There are ten questions generated randomly.
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NumberNut

Number Nut: Adding Money Under One Dollar

For Students K - 1st Standards
Find the total value of the coins and add to the dollar amount shown. There are ten random questions. This activity helps students to recognize coins.
Unknown Type
NumberNut

Number Nut: Adding Money Under Ten Dollars

For Students 1st - 4th Standards
Add money amounts under ten dollars. Numbers, not coins, are used in this activity. The decimals are lined up for you in the problem. There are ten random questions.
Handout
Cool Math

Coolmath: Coolmath4kids: Add Fractions With Like Denominators

For Students 4th - 5th Standards
Demonstrates how to add fractions where the denominators are the same. Includes sample problems to try.
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Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (With Regrouping)

For Students 4th
Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).
Interactive
CK-12 Foundation

Ck 12: Math Grade 5

For Students 5th
Browse resources related to fifth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
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,...
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Add and Subtract Rational Numbers 2

For Students 9th - 10th Standards
Get independent practice adding and subtracting fractions with unlike denominators. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Activity
Texas Instruments

Texas Instruments: Rational Addition, Subtraction

For Teachers 9th - 10th
This StudyCard stack covers adding (or subtracting) numerators with simple to complex denominators. The set ends with sums or differences of rational functions with different denominators.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N Rn Sums of Rational and Irrational Numbers

For Teachers 9th - 10th Standards
The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...
Unit Plan
Discovery Education

Discovery Education: Web Math: K 8 Math

For Students K - 1st Standards
This WebMath site shows how to add, subtract, multiply and divide through a step by step examples. The user simple selects the operation and types in two numbers, and the computer solves the problem through a step by step process. Also...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Truck Stop: Decimals

For Students 5th - 6th Standards
Students will play interactive learning games to practice ordering, adding, subtracting, and multiplying decimals.
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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...
Unit Plan
Math Is Fun

Math Is Fun: Common Denominator

For Students 3rd - 8th Standards
Learn the "easiest method" for finding the common denominator of two fractions with different denominators. View animated examples and look over the steps that it takes to find a common denominator and add two fractions.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Rational Numbers in Applications

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve real-world problems involving the addition and subtraction of fractions and evaluate change.
Activity
Texas Instruments

Texas Instruments: Skip Counting 2/8, 4/8, 6/8, 8/8, Who Do We Appreciate This

For Teachers 6th - 8th
In this activity, students investigate skip counting to complete patterns with fractions. They also develop skills to add fractions.
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...
Website
PBS

Pbs Learning Media: Several Short Rails Make More Than a Whole

For Students 3rd - 8th
In this video segment from Cyberchase, Hacker has sabotaged another section of the Madre Bonita Express track; Digit gets help from Deci in adding decimals to find the right size rail that will repair the track.
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Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)

For Students 4th
Practice adding and subtracting mixed numbers with common (like) denominators.
Handout
The Math League

The Math League: Decimals, Whole Numbers and Exponents

For Students 4th - 8th
This tutorial has definitions and examples of decimals, whole numbers, and exponents. In addition, a variety of topics are covered, such as comparing, multiplying and subtracting.

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