Unit Plan
Math Is Fun

Math Is Fun: Addition of Fractions

For Students 3rd - 5th Standards
This very basic website gives simple, easy steps on how to add fractions with the same denominator and what to do when they have different denominators.
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.
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,...
Handout
Cool Math

Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Different Denominators

For Students 4th - 5th Standards
Demonstrates how to add and subtract fractions where the denominators are different. Includes sample problems to try.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions Challenge

For Students 4th - 6th Standards
Challenge problems involving adding and subtracting fractions that have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
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.
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...
Unit Plan
Khan Academy

Khan Academy: Visually Add and Subtract Fractions

For Students 4th - 6th Standards
Practice adding and subtracting fractions that have different denominators. Problems have fraction diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Other

Chili Math: Adding and Subtracting Fractions With Different Denominators

For Students 4th - 8th Standards
Goes through the steps involved in adding and subtracting fractions with different denominators and provides examples.
Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Negative Fractions

For Students 6th - 8th
Practice adding and subtracting positive and negative fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems 2

For Students 3rd - 5th Standards
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Lesson Plan
Better Lesson

Better Lesson: Adding and Subtracting Fractions

For Teachers 4th Standards
Understanding that when the total number of parts of a whole are the same, fractions can be added.
Lesson Plan
Better Lesson

Better Lesson: Adding and Subtracting With Fractions

For Teachers 5th - 6th Standards
Students add and subtract fractions using a common denominator.
Unknown Type
Khan Academy

Khan Academy: Adding and Subtracting Mixed Numbers With Unlike Denominators 2

For Students 3rd - 5th Standards
In this exercise, students practice using visuals to add and subtract fractions with unlike denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Lesson Plan
Other

Nearpod: Adding & Subtracting: Unlike Denominators

For Teachers 5th Standards
In this lesson, 5th graders will learn how to add and subtract fractions and mixed numbers using models and by finding common denominators.
Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 6th - 8th Standards
Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions Challenge

For Students 5th
Challenge problems involving adding and subtracting fractions that have unlike denominators.
eBook
CK-12 Foundation

Ck 12: 2.3 Adding and Subtracting Rational Expressions

For Students 9th - 10th Standards
This section explores the process for adding and subtracting rational expressions. It primarily focuses on how to identify and use the Least Common Denominator to combine fractions with rational expressions.
Unit Plan
Khan Academy

Khan Academy: Add Fractions With Common Denominators

For Students 3rd - 5th
Add two fractions with the like denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
CK-12 Foundation

Ck 12: Add and Subtract With Different Denominators Word Problems Practice

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Practice adding and subtracting fractions with different denominators.
Unit Plan
Rice University

Fraction Addition: Who Wants Pizza?

For Students 3rd - 5th
Who wants pizza? Even better, who wants to add fractions? This website gives colorful examples to guide the viewer through fraction addition problems.
Unknown Type
CK-12 Foundation

Ck 12: Add and Subtract Fractions in Inequalities Practice

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Practice adding and subtracting fractions in these problems that include inequalities.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems

For Students 5th
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 5.nf Do These Add Up?

For Teachers 5th - 8th
This task addresses common errors that students make when adding fractions. Aligns with 5.NF.A.2.

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