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Laabri

Unit 2 - Lesson 12 - Grade 3: Illustrative Mathematics

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Last updated over 1 year ago
10 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Grade 3 Unit 2

Lesson 12: Area and Addition

CC BY 2021 Illustrative Mathematics®

Grade 3 Unit 2

Lesson 12: Area and Addition

CC BY 2021 Illustrative Mathematics®

Lesson: Area and Addition

Number Talk: So Close (Warm Up)

Rectangles in Rectangles

1
1

Find the Rectangles

Cool Down: Where are the Rectangles?
1

Find the value of each expression mentally.

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1.

9 + 6

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2.

29 + 6

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3.

59 + 6

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4.

49 + 8

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5.

This rectangle represents space in a community garden. The shaded part is covered with vegetables and the unshaded part is covered with flowers. Each square represents 1 square foot.

What is the area of the whole space?

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6.

Design your own garden. Find the area of each part of the garden and the area of the whole garden.

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7.

What do you notice?

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8.

What do you wonder?

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9.

Find the area of this figure. Explain or show your reasoning. Organize it so it can be followed by others.

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10.

Find the area of this figure. Explain or show your reasoning.