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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Add and Subtract Fractions

For Students 2nd - 5th Standards
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Subtraction of Fractions

For Students 6th - 9th
[Free Registration/Login may be required to access all resource tools.] In this lesson students subtract fractions and mixed numbers with like and unlike denominators. Students examine guided notes, review guided practice, watch...
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Unit Plan
AAA Math

Aaa Math: Adding Fractions With Different Denominators

For Students 9th - 10th Standards
This personal site explains how to add fractions with different denominators by finding the least common denominator. Gives problems and games to practice this skill.
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Unit Plan
PBS

Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
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Unit Plan
PBS

Pbs: Logical Leaps: Adding Fractions, Mixed Numbers, and Decimals on the Number Line

For Students 3rd - 5th
In this interactive, use logic to solve riddles involving a jumping frog contest. Add two consecutive jumps by one frog and place the jumps on the number line, finding equivalent fractions with common denominators to do so. Numbers are...
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Unknown Type
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)

For Students 4th
Practice adding and subtracting mixed numbers with common (like) denominators.
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Interactive
Visual Fractions

Visual Fractions: Addition of Like Fractions With Circle Models

For Students 3rd - 8th Standards
Brush up on your fraction addition skills with this interactive game. Practice adding fractions and mixed numbers with common denominators. Don't worry! If you need a little assistance, examples and explanations are included.
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Handout
Other

Chili Math: Adding and Subtracting Fractions With Same or Like Denominator

For Students 4th - 8th Standards
Features steps on how to add and subtract fractions with the same denominator.
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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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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...
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Handout
Homeschool Math

Homeschool Math: Adding and Subtracting Unlike Fractions

For Students 5th Standards
This fifth-grade lesson teaches how to add and subtract unlike fractions using a video presentation and visual models. [7:19] Includes practice exercises.
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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...
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Unknown Type
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)

For Students 3rd - 5th Standards
Practice adding and subtracting mixed numbers with common (like) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers With Unlike Denominators 1

For Students 4th - 6th Standards
Practice adding and subtracting mixed numbers with different denominators. No regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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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.
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PPT
Sophia Learning

Sophia: Adding Mixed Numbers

For Students 6th - 8th
This video tutorial reviews how to add mixed numbers with like and unlike denominators. The lesson includes detailed examples.
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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...
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Interactive
Visual Fractions

Visual Fractions: Addition of Like Fractions With Number Line Models

For Students 3rd - 8th Standards
Test your aptitude at adding fractions on a number line. Enhance your skills using this interactive math game. Immediate feedback and examples provided.
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Interactive
Quia

Quia: Equivalent Fractions

For Students 3rd - 6th Standards
Use this Web site to practice finding equivalent fractions using a matching game format. CCSS.Math.Content.3.NF.A.3.a Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.
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Unit Plan
PBS

Pbs: Logical Leaps: Adding Rational Numbers on the Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Salad Dressing

For Teachers 4th - 8th Standards
The purpose of this task is to have students add fractions with unlike denominators and divide a unit fraction by a whole number. This accessible real-life context provides students with an opportunity to apply their understanding of...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Making S'mores

For Teachers 5th - 8th Standards
The purpose of this instructional task is to motivate a discussion about adding fractions and the meaning of the common denominator. The different parts of the task have students moving back and forth between the abstract representation...
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Addition of Rational Numbers

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Represent sums and differences on a number line and add and subtract rational numbers.
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Interactive
Visual Fractions

Visual Fractions: Rename in Higher Terms With Lines

For Students 3rd - 8th Standards
Rename fractions in higher terms with this interactive module. Number lines are used for fractional representations. Detailed instructions, practice opportunity, and immediate feedback provided for this concept....