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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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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Integer and Fraction Sums and Decimal Equivalency

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must determine whether the sum of integers and fractions is equivalent to the given decimal total. Includes video demonstrating a...
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Unknown Type
Shmoop University

Shmoop: Fractions & Decimals: Adding & Subtracting Decimals

For Students 9th - 10th Standards
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions 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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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Add and Subtract Fractions With Like Denominators

For Students 3rd - 8th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of...
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 3 Add and Subtract Fractions With Like Denominators

For Students 9th - 10th
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At...
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Activity
Rice University

More Fun Fractions

For Students K - 1st Standards
In this site, pattern blocks are used to explore fractional relationships among shapes.
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Activity
Homeschool Math

Homeschool Math: Adding Like Fractions and Mixed Numbers

For Students 4th
This lesson teaches how to add like fractions and mixed numbers with like fractional parts using visual models (pies, fraction bars). It includes lots of exercises.
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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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Lesson Plan
Lesson Tutor

Lesson Tutor: Fraction Addition and Subtraction Lesson

For Teachers 3rd - 8th Standards
This site is an online lesson plan of how to correctly add and subtract fractions is provided here. Many examples of the processes are worked out and the solutions provided. An elementary teacher looking for some useful advice and...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Jog a Thon

For Teachers 4th - 8th
The purpose of this task is to present learners with a situation where it is natural to add fraction with unlike denominators; it can be used for either assessment or instructional purposes. Aligns with 5.NF.A.1.
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Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nf Making 22 Seventeenths in Different Ways

For Teachers 3rd - 5th Standards
This task is a straightforward task related to adding fractions with the same denominator. The main purpose is to emphasize that there are many ways to decompose a fraction as a sum of fractions, similar to decompositions of whole...
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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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Unknown Type
Khan Academy

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

For Students 4th Standards
Practice adding and subtracting mixed numbers.
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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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Whiteboard
ClassFlow

Class Flow: Adding and Subtracting Fractions With Unlike Denominators

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart includes step by step directions on how to add or subtract fractions with unlike denominators. Practice session included with flipchart.

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