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.
Unit Plan
AAA Math

Aaa Math: Subtracting Fractions With Same Denominator

For Students 4th - 6th
Gives a brief explanation of how to subtract fractions with the same denominator. Gives practice, and games to play to use this skill.
Whiteboard
ClassFlow

Class Flow: Adding Fractions With Unlike Denominators

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart teaches the steps necessary to add or subtract fractions with unlike denominators by getting a common denominator. It uses Activotes to assess getting the correct least common multiple,...
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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.
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.
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...
Activity
Teaching Treasures Publications

Teaching Treasures: Year Five Math (Page 5)

For Students 3rd - 8th Standards
Sharpen your computation skills with this interactive worksheet. The focus is adding and subtracting fractions with like and unlike denominators and reducing to lowest terms. Problems are set up horizontally and answers can be checked...
Unit Plan
Math Medics

S.o.s. Math: Subtraction

For Students 9th - 10th
Explains step-by-step how to subtract fractions. Gives examples and exercises to practice this skill.
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.
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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.
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: Subtracting Money Under Ten Dollars

For Students 1st - 4th Standards
Find the difference between two money amounts. Values are expressed in decimal form, not coins. There are ten random questions.
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,...
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.
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Illustrative Mathematics

Illustrative Mathematics: 4.nf Peaches

For Teachers 3rd - 5th Standards
This task provides a context where it is appropriate for students to subtract fractions with a common denominator; it could be used for either assessment or instructional purposes. Aligns with 4.NF.B.3.c.
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.

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