Interactive
Fun Brain

Fun Brain: Fraction Soccer

For Students 3rd - 8th
Compete in a soccer shootout by adding, subtracting, multiplying, and dividing fractions. Score goals for your team and block your opponent's shots by answering correctly.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 3)

For Students 3rd - 8th Standards
An interactive worksheet that focuses on adding and subtracting fractions. The worksheet covers concepts such as mixed numbers, reducing to lowest terms, and changing mixed numbers to improper fractions. Problems are set up horizontally...
Activity
Other

Repaso De Fracciones

For Students 3rd - 8th
In Spanish. A fractions review, including explanations of simplification and mixed fractions. Also offers example problems of the basic operations of fractions.
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...
Activity
Math Is Fun

Math Is Fun: Using Rational Numbers

For Students 6th - 8th
This site offers simple examples for adding, subtracting, multiplying, and dividing rational numbers. It also provides examples of writing fractions in simplest form and as mixed numbers or improper fractions. Students can test their...
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Fraction Facts

For Teachers 6th - 8th
The Shodor Education Foundation provides this lesson plan to introduce middle schoolers to the basics of fractions including fraction operations and converting fractions both to decimals and percents. NCTM Standards are listed for this...
Handout
Homeschool Math

Homeschool Math: Subtract Mixed Numbers

For Students 5th Standards
A 5th grade lesson about subtracting mixed numbers with like fractional parts.
Unknown Type
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...
Activity
NumberNut

Number Nut: Decimals

For Students 5th - 7th Standards
Do you know what a decimal is and how it is related to fractions? Find out and practice your skills playing the related interactive games.
Website
Learning Wave Communications

Learning Wave: Decimals

For Students 5th - 8th Standards
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
Unit Plan
Khan Academy

Khan Academy: Subtract Fractions With Common Denominators

For Students 3rd - 5th
Solve a subtraction problem with two fractions with like denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
AAA Math

Aaa Math: Subtraction of Decimal Tenths

For Students 3rd - 5th Standards
This site describes how to subtract decimals. It provides exercises and games to practice the skill through the tenths place.
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Common Core Sheets

Common Core Sheets: The Number System 7.ns.1a Worksheets

For Teachers 7th
Create a learning exercise to assess students understanding of adding and subtracting with negative and positive numbers.
Unknown Type
Math Slice

Math Slice: Fractions: Math Worksheets

For Students Pre-K - 1st Standards
This tool allows you to create worksheets where learners add, subtract, multiply or divide fractions at varying levels of difficulty.
Graphic
Curated OER

Subtract Circles

For Students 3rd - 8th
Use this site to learn how to subtract fractions using circles at this site from Visual Fractions. You will receive immediate feedback on your answers.
Graphic
Curated OER

Visual Fractions: Fraction Subtraction With Circles

For Students 3rd - 8th
Use this site to learn how to subtract fractions using circles at this site from Visual Fractions. You will receive immediate feedback on your answers.
Website
Discovery Education

Discovery Education: Web Math: General Math

For Students 3rd - 8th
An extraordinary site that will help you with your math homework. Presented in a format that is both easy to understand and educational. Navigate through numerous instant-answer, self-help math solvers to help you figure out your math...
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.
Lesson Plan
Better Lesson

Better Lesson: Unit Closure

For Teachers 6th Standards
What is going on in the problem? What are you trying to figure out? What kind of model could you create for this problem? Students apply the skills they have learned throughout Unit 4.
Website
Oswego City School District

Regents Exam Prep Center: Rational (Fractional) Expressions

For Students 9th - 10th Standards
A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Preliminaries: Rational Expressions

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that define rational expressions and investigate how to reduce a rational expression to lowest terms, add, subtract, multiply, and divide rational expressions.
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McGraw Hill

Glencoe: Self Check Quizzes 1 Estimating Fraction Sums and Differences

For Students 3rd - 8th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of estimating sums and differences. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
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.
Unknown Type
Shmoop University

Shmoop: Fractions & Decimals: Adding and Subtracting Mixed Numbers

For Students 9th - 10th Standards
The mathematics resource explores addition and subtraction with mixed numbers. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.

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