Unit 2 - Lesson 1 - Grade 3: Illustrative Mathematics

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13 questions

Note from the author:

Grade 3 Unit 2
Lesson 1: What is Area?
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 3 Unit 2
Lesson 1: What is Area?
CC BY 2021 Illustrative Mathematics®

Lesson: What is Area?

How Many Do You See: Arrays (Warm Up)

How many do you see?

How do you see them?

Compare Shapes

Here are two triangles. Which triangle is larger?

In each pair of shapes, which shape is larger? Be prepared to explain your reasoning.

Explain your reasoning.

Pattern Blocks to Compare Shapes

Your teacher will give you handouts with some shapes on them.

Use pattern blocks to decide which shape covers the most space. 
Be ready to explain your reasoning.

Which shape covers the most space?

Explain your reasoning.

Cool Down: Compare Area

Unit 2 - Lesson 1 - Grade 3: Illustrative Mathematics

Unit 2 - Lesson 1 - Grade 3: Illustrative Mathematics

How Many Do You See: Arrays (Warm Up)

How many do you see?

How do you see them?

Compare Shapes

Here are two triangles. Which triangle is larger?

Explain your reasoning.

Explain your reasoning.

Pattern Blocks to Compare Shapes

Which shape covers the most space?

Explain your reasoning.

Which rectangle has the greater area?

How do you know?

How Many Do You See: Arrays (Warm Up)

How many do you see?

How do you see them?

Compare Shapes

Here are two triangles. Which triangle is larger?

Which shape is larger?

Explain your reasoning.

Which shape is larger?

Explain your reasoning.

Which shape is larger?

Explain your reasoning.

Pattern Blocks to Compare Shapes

Which shape covers the most space?

Explain your reasoning.

Which rectangle has the greater area?

How do you know?

Which shape is larger?

Which shape is larger?

Which shape is larger?

Explain your reasoning.