Resources and Tools for Elementary Math Specialists and Teachers

Common Core State Standards for Mathematics

Grade(s) 4 resources related to the following standard:
Number and Operations—Fractions
Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.
3. Understand a fraction a/b with a > 1 as a sum of fractions 1/b.
d. Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.

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In this lesson plan, students use recipes to practice three ways of doubling fractions using representations, addition, and multiplication. To complete this lesson, students learn to convert between improper fractions and mixed numbers. Included is a three and a half minute video called "The Right Amount of Cupcake Mix" and student worksheet.
Activity, Lesson Plans, Video
Grade Level: 4, 5, 6+
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In this 6-minute video Keith Phelps shows a lesson in which he has his fourth grade students decompose fractions to show one and a half in multiple ways. Students are given a variety of fraction tiles to complete this activity and are asked to build it, draw it, and write a number sentence for their solution. In addition to the video a transcript is provided.
Activity, Video
Grade Level: 3, 4, 5
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This series of interactive activities introduces fraction concepts, notation, addition, and multiplication in a concept-building way. It includes a teacher page with implementation ideas and standards alignment.
Activity, Lesson Plans, Unit of Instruction
Grade Level: 3, 4, 5
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This is the Spanish version of the resource Who Wants Pizza? This series of interactive activities introduces fraction concepts, notation, addition, and multiplication in a concept-building way. It includes a teacher page with implementation ideas and standards alignment.
Activity, Lesson Plans, Unit of Instruction
Grade Level: 3, 4, 5
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