Fractions - Specify the Whole

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Common Core For Grade 3

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Videos, examples, solutions, and lessons to help Grade 3 students learn how to specify the corresponding whole when presented with one equal part.

Common Core Standards: 3.NF.3d, 3.NF.1, 3.NF.3a, 3.NF.3b, 3.NF.3c, 3.G.2

New York State Common Core Math Grade 3, Module 5, Lesson 12
Grade 3, Module 5, Lesson 12 Worksheets

Lesson 12 Application Problem
Jennifer hid half her birthday money in the top drawer of her dresser. The other half she put in her jewelry box. If she hid $8 in her top drawer, how much money did she get for her birthday?

Concept Development

Exploration: Designate the following stations for three students per station.
Station A: 1 half and 1 fourth
Station B: 1 half and 1 third
Station C: 1 third and 1 fourth
Station D: 1 third and 1 sixth
Station E: 1 fourth and 1 sixth
Station F: 1 fourth and 1 eighth
Station G: 1 fifth and 1 tenth
Station H: 1 fifth and 1 sixth

The students are to represent 1 whole using the materials at their station.

Lesson 12 Homework
Each shape represents the given unit fraction. Estimate to draw the whole.

  1. 1/2
  2. 1/6
  3. 1 third
  4. 1 fourth

Each shape represents the given unit fraction. Estimate to draw the corresponding whole, label the unit fractions, then write a number bond that matches the drawing. The first one is done for you.
5. 1/3
6. 1/2
7. 1/5
8. 1/7
9. Evan and Yong used this shape, representing the unit fraction 1/3, to draw 1 whole. Shania thinks both of them did it correctly. Do you agree with her? Explain.

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