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Unit 2 - Lesson 4 - Grade 3: Illustrative Mathematics

Last updated 9 months ago
19 questions
Note from the author:
Grade 3 Unit 2
Lesson 4: Area of Rectangles
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 4: Area of Rectangles
CC BY 2021 Illustrative Mathematics®
Lesson: Area of Rectangles

Which One Doesn’t Belong: Area and Arrays (Warm Up)

1

Which one doesn’t belong?

What Did I Create?

Can you and your partner draw the same rectangle without looking at each other's drawing?

1

Partner A: Draw a rectangle on one of the grids provided. Describe it to your partner without telling them the total number of squares.

1

Partner B: Draw the rectangle your partner describes to you.

1

Place your two rectangles next to each other.

Discuss: What is the same?

1

Place your two rectangles next to each other.

Discuss: What is different?

Switch roles and repeat.
1

Partner A: Draw a rectangle on one of the grids provided. Describe it to your partner without telling them the total number of squares.

1

Partner B: Draw the rectangle your partner describes to you.

1

Place your two rectangles next to each other.

Discuss: What is the same?

1

Place your two rectangles next to each other.

Discuss: What is different?

What Did I Create?

Find the area of each rectangle and include the units. Explain or show your reasoning.
1

Find the area of the rectangle and include the units.

1

Explain or show your reasoning.

1

Find the area of the rectangle and include the units.

1

Explain or show your reasoning.

1

Find the area of the rectangle and include the units.

1

Explain or show your reasoning.

1

Find the area of the rectangle and include the units.

1

Explain or show your reasoning.

Cool Down: What’s the Area?
1

Find the area of this rectangle.

1

Explain or show your reasoning.