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®
How many do you see?
How do you see them?
Here are two triangles. Which triangle is larger?
In each pair of shapes, which shape is larger? Be prepared to explain your reasoning.
Which shape is larger?
Explain your reasoning.
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.
Which rectangle has the greater area?
How do you know?
Which shape is larger?
Explain your reasoning.
Which shape is larger?
Explain your reasoning.