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Unit Plan
Mangahigh

Mangahigh: Algebra: Add and Subtract Algebraic Fractions Using Factoring

For Students 9th - 10th Standards
Students learn about the concept of adding algebraic fractions by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
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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.
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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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Lesson Plan
University of Texas

Inside Mathematics: Leapfrog Fractions [Pdf]

For Teachers 2nd - 5th Standards
This task challenges a student to use their knowledge and understanding of ways to represent numbers and fractions in order to add fractions.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 2 Add and Subtract Fractions Unlike Denominators

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with different denominators. Each question has a "Hint" link to help. Choose the correct answer for each...
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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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Handout
Cool Math

Coolmath: Coolmath4kids: Add Fractions With Like Denominators

For Students 4th - 5th Standards
Demonstrates how to add fractions where the denominators are the same. Includes sample problems to try.
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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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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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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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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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Interactive
National Council of Teachers of Mathematics

The Math Forum: "Make One" Operations W Fractions Game

For Students 9th - 10th Standards
This card game will help students review the basic operations with fractions. The materials needed, the rules of the game, and several follow-up activities are provided here for the teacher as a lesson plan.
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Unknown Type
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers Word Problems (Like Denominators)

For Students 4th Standards
Solve addition and subtraction word problems involving fractions and mixed numbers. Fractions and mixed numbers have common denominators.
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Unit Plan
Khan Academy

Khan Academy: Subtracting Fractions With Unlike Denominators

For Students 4th - 6th Standards
Practice subtracting 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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Interactive
Doina Popovici

Math Play: Fractions Jeopardy

For Students 3rd - 8th
Assess your knowledge of adding, subtracting, multiplying, and dividing fractions with a game of jeopardy.
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Handout
Cool Math

Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Whole and Mixed Numbers

For Students 4th - 5th Standards
Short tutorial explaining how to add and subtract fractions, whole numbers, and mixed numbers. Includes example problems to try.
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Unit Plan
Goodwill

Gcf Global: Adding and Subtracting Fractions

For Students 4th - 8th Standards
Tutorial demonstrates how to add and subtract fractions.
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Unit Plan
PBS

Pbs: Addition of Fractions Using a Visual Model

For Students 3rd - 5th Standards
Use a visual model to add fractions with unlike denominators. This video focuses on using an equivalent fractions chart to compare fractions and find the correct sum.
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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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Lesson Plan
Better Lesson

Better Lesson: Adding and Subtracting Fractions Day 2

For Teachers 6th
How would you add 2 1/2 and 2/3? How would you find the difference between 2 1/2 and 2/3? Students continue to develop strategies for adding and subtracting fractions.
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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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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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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Finding Common Denominators to Add

For Teachers 5th - 8th Standards
Part (a) of this task asks students to find and use two different common denominators to add the given fractions. The purpose of this question is to help students realize that they can use any common denominator to find a solution, not...
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Lesson Plan
Intel Corporation

Intel: Fractions Made Visual

For Teachers 3rd - 5th Standards
Students learn the importance of math accuracy and, more specifically, that knowing how to add, subtract, multiply, and divide fractions make life easier for everyone. To help students come to this understanding, they are assigned to a...

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