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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.
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Unknown Type
Khan Academy

Khan Academy: Add Fractions With Unlike Denominators

For Students 4th - 6th Standards
Practice adding fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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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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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Fractions With Different Denominators

For Students 5th - 7th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find sums of fractions with different denominators by renaming them with common denominators. Students examine guided notes, review guided...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fractions With Common Denominators Word Problems

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to solve word problems where they must add and subtract fractions that have the same denominators. Includes video...
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Activity
Oswego City School District

Regents Exam Prep Center: Adding and Subtracting Fractions

For Students 9th - 10th Standards
Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.
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Lesson Plan
Other

Nearpod: Adding & Subtracting: Unlike Denominators

For Teachers 5th Standards
For this lesson, 5th graders will learn how to add and subtract fractions and mixed numbers using models and by finding common denominators.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fractions With Different Denominators 3 Numbers

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students add and subtract three fractions with different denominators. Includes video demonstrating a sample problem [2:41] and a set of...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fractions With Different Denominators Word Problems

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students solve word problems where they must add and subtract fractions with different denominators. Includes video demonstrating a sample...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Egyptian Fractions

For Teachers 5th - 8th Standards
One goal of this task is to help students develop comfort and ease with adding fractions with unlike denominators. Another goal is to help them develop fraction number sense by having students decompose fractions. Aligns with 5.NF.A.1.
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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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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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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.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Expression Evaluation With Different Denominators

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Evaluate numerical expressions with fractions by renaming multiple terms with a lowest common denominator.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Add and Subtract Algebraic Fractions

For Students 9th - 10th Standards
This site provides students practice with the concept of algebraic fractions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
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Interactive
Arcademics

Arcademics: Adding Fractions Speedway

For Students 4th - 6th Standards
Add fractions correctly to move further ahead in the race.
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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...
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Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems (Same Denominator)

For Students 4th Standards
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.
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Unit Plan
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers 2 (With Regrouping)

For Students 3rd - 5th
Practice adding and subtracting mixed numbers with common (like) denominators. Some items require regrouping. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
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).
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Fractions With Different Denominators

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This video gives steps of finding common denominators and then adding and subtracting multiple fractions together. After the video, there are practice problems...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Adding Algebraic Fractions

For Students 9th - 10th
Here is a site that clearly and thoroughly explains adding algebraic fractions (rational expressions) both with common denominators and with different denominators. There are example problems solved, problems for the student to attempt,...
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Interactive
ABCya

Ab Cya: Adding Fractions

For Students 4th - 6th Standards
Adding fractions is a fun game for kids to practice adding fractions with like denominators. Select two fractions that add to the number 1 and watch the monster grow! Help the monster reach full size as fast as you can!
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Unit Plan
Other

Project Happy Child: Adding Fractions Story & Worksheets

For Teachers 3rd - 5th Standards
Miss Walker explains to Bart the fine details of adding fractions. At the end of the discourse is a link, "Return to Fractions index," where you can go to print off some practice sheets.