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,...
Unit Plan
AAA Math

Aaa Math: Adding Fractions With the Same Denominators

For Students 2nd - 6th Standards
This site describes how to add fractions with like denominators. It provides exercises and games to practice the skill.
Unit Plan
AAA Math

Aaa Math: Subtracting Fractions With the Same Denominator

For Students 2nd - 6th Standards
This site describes how to subtract fractions with like denominators. It provides exercises and games to practice the skill.
Activity
Lesson Tutor

Lesson Tutor: Fraction Addition Worksheet

For Students 3rd - 8th Standards
A worksheet of twelve practice problems is provided here for use by students needing extra help with this concept. All of the questions have like denominators to begin with, so this activity is essentially for those students just...
Activity
Scholastic

Scholastic Math Maven's Mysteries: The Mystery of Pirate Ringold's Lost Treasure

For Teachers 3rd - 8th
In this Math Maven mystery, read the legend of Pirate Ringold and his treasure and help Frieda Finditall figure out how much gold there is left to find on this old ship. Your knowledge about addition and subtraction with fractions will...
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Quia

Quia: Fraction Action Words

For Students Pre-K - 1st Standards
Four learning games, including matching and a word search, are available for students to review fraction vocabulary words.
Website
Shodor Education Foundation

Shodor Interactivate: Fraction Adding and Subtracting

For Students 3rd - 8th Standards
Use this discussion, provided by Shodor, to reinforce your knowledge on adding and subtracting fractions with unlike denominators.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Fractions Word Problems

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] The mathematics resource includes a video and practice problems. The video is a tutorial on how to solve a subtraction word problem involving fractions with common...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Differences of Fractions

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find differences of fractions with different denominators by renaming them with a common denominator.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Husky Sled: Fractions and Decimals

For Students 5th - 6th Standards
In this interactive website students practice various skills including adding fractions with common denominators, adding fractions with different denominators, adding decimals, finding equivalent fractions, and calculating averages.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems 1

For Students 3rd - 5th
Practice solving word problems by adding and subtracting fractions with like denominators. Gaby ate 2 slices of pie and Daniel ate 2. If there were 10 slices of pie all together, what fraction did they eat? Students receive immediate...
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...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Mixed Numbers

For Students 5th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of mixed numbers by renaming fractions with a common denominator. Students examine guided notes, review guided practice, watch...
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
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.
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.
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.
Unit Plan
AAA Math

Aaa Math: Subtracting Fractions With Different Denominators

For Students 9th - 10th
This AOL personal page explains how to subtract fractions with different denominators, then offers games to practice this skill.
Activity
Illustrative Mathematics

Illustrative Mathematics: Fraction Comparisons Pictures, Assessment Variation

For Teachers 2nd - 4th Standards
This task is about comparing two fractions with the same numerator or the same denominator by reasoning about their size, and understanding that such comparisons are valid only when the fractions refer to the same whole. Aligns with...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Mixed Numbers With Unlike Denominators

For Teachers 4th - 8th Standards
The purpose of this task is to help students realize there are different ways to add mixed numbers and is most appropriate for use in an instructional setting. The two primary ways one can expect students to add are converting the mixed...
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Illustrative Mathematics

Illustrative Mathematics: 4.nf Doubling Numerators and Denominators

For Teachers 3rd - 5th Standards
The purpose of this task is to assess whether students understand the meaning of the numerator and the denominator in a fraction. This task is not appropriate for a high-stakes summative assessment, but it could be very helpful in...
Interactive
Mangahigh

Mangahigh: Number: Common Fractions Thirds and Fifths

For Students 5th - 7th Standards
Determine equilvalent fractions using denominators of 3 and 5.
Unit Plan
Learning Wave Communications

Learning Wave: Fractions

For Students 6th - 8th
This resource contains information about fractions and includes ratios, equivalent fractions, basic operations, and reciprocals. Several links for practice problems are also included, along with links to a post and pretest.
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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.