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K-5 Grade 5 Unit 3 Lesson 1

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•K-5 Math 6-8 Math 9-12 Math

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Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 •Grade 5

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Unit 1 Unit 2 •Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8

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•Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20

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9-12

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IM K-5 Math
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Lesson 1

Warm-up Activity 1 Activity 2

Unit 3, Lesson 1

One Piece of One Part

Grade 5

Warm-up

What do you notice? What do you wonder?

Photograph. Mac and cheese in pan with spatula.<span style="font-size:0.875rem"> Less than 1 half remains. </span>

Activity 1

A pan of macaroni and cheese is full. Lin eats of the remaining macaroni and cheese in the pan.

Draw a diagram to represent the situation.
Explain or show your reasoning.

Activity 2

How does each diagram represent of of a pan of macaroni and cheese? Explain or show your reasoning.

A

B
Use the diagrams to show that of is of the whole pan.