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.

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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+ | |

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 |