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Unit 2 - Lesson 1 - Grade 3: Illustrative Mathematics

Last updated 9 months ago
13 questions
Note from the author:
Grade 3 Unit 2
Lesson 1: What is Area?
CC BY 2021 Illustrative Mathematics®
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)

1

How many do you see?

1

How do you see them?

Compare Shapes

1

Here are two triangles. Which triangle is larger?

In each pair of shapes, which shape is larger? Be prepared to explain your reasoning.
1

Which shape is larger?

1

Explain your reasoning.

1

Which shape is larger?

1

Explain your reasoning.

1

Which shape is larger?

1

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.

1

Which shape covers the most space?

1

Explain your reasoning.

Cool Down: Compare Area
1

Which rectangle has the greater area?

1

How do you know?