Instrukcije

Grade 3 Unit 2

Lesson 12: Area and Addition

CC BY 2021 Illustrative Mathematics®

Number Talk: So Close (Warm Up)

Find the value of each expression mentally.

1

9 + 6

1

29 + 6

1

59 + 6

1

49 + 8

Rectangles in Rectangles

1

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?

1

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

Find the Rectangles

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1

What do you notice?

1

What do you wonder?

1

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

1

Unit 2 - Lesson 12 - Grade 3: Illustrative Mathematics

Number Talk: So Close (Warm Up)

Rectangles in Rectangles

Find the Rectangles

Unit 2 - Lesson 12 - Grade 3: Illustrative Mathematics

Number Talk: So Close (Warm Up)

9 + 6

29 + 6

59 + 6

49 + 8

Rectangles in Rectangles

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?

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

Find the Rectangles

What do you notice?

What do you wonder?

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

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

9 + 6

29 + 6

59 + 6

49 + 8

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?

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

What do you notice?

What do you wonder?

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

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

Unit 2 - Lesson 12 - Grade 3: Illustrative Mathematics

Number Talk: So Close (Warm Up)

Rectangles in Rectangles

Find the Rectangles

Unit 2 - Lesson 12 - Grade 3: Illustrative Mathematics

Number Talk: So Close (Warm Up)

9 + 6

29 + 6

59 + 6

49 + 8

Rectangles in Rectangles

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?

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

Find the Rectangles

What do you notice?

What do you wonder?

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

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

9 + 6

29 + 6

59 + 6

49 + 8

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?

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

What do you notice?

What do you wonder?

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

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

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?

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?