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Unit 3 - Lesson 1 - Grade 5: Illustrative Mathematics

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Last updated 3 months ago
8 Questions
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Grade 5 Unit 3
Lesson 1: One Piece of One Part
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 1: One Piece of One Part
CC BY 2021 Illustrative Mathematics
Lesson: One Piece of One Part

Notice and Wonder: Baked Macaroni and Cheese (Warm Up)

1.

What do you notice?

2.

What do you wonder?

Of What?

3.

At a family dinner, a pan of macaroni and cheese is 1/2 full. Lin eats 1/3 of the remaining macaroni and cheese in the pan.

Draw a diagram to represent the situation.

4.

Explain or show how you know your diagram represents the situation.

The Same, but Different

5.

Explain or show how each diagram represents 1/4 of 1/2 of a pan of macaroni and cheese.

6.

Use the diagrams to show that 1/4 of 1/2 is 1/8 of the whole pan.

Cool Down: Macaroni and Cheese
7.

A pan of macaroni and cheese is 1/2 full. Mai eats 1/5 of the remaining macaroni and cheese in the pan.

Draw a diagram to represent the situation.


8.

A pan of macaroni and cheese is 1/2 full. Mai eats 1/5 of the remaining macaroni and cheese in the pan.

How much of the whole pan did Mai eat? Explain or show your reasoning.