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K-5 Grade 3 Unit 2 Lesson 6

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Lesson 6

Warm-up Activity 1 Activity 2

Unit 2, Lesson 6

Different Square Units (Part 1)

Grade 3

Warm-up

What do you notice? What do you wonder?

A shaded rectangle partitioned into 5 rows of 10. — A

Diagram. Shaded rectangle partitioned into 3 rows of 6 of the same size squares. — B

Diagram. Shaded rectangle partitioned into 2 rows of 4 of the same size squares. — C

A shaded rectangle divided into 2 equal parts. — D

Activity 1

Your teacher will give you 2 kinds of grid paper. Use them to create a rectangle for each expression.

Partner 1: Use grid 1.

Partner 2: Use grid 2.

Activity 2

Estimate how many square centimeters and square inches it will take to tile this square.

about _________ square inches
about _________ square centimeters

an empty square.

Use the inch grid and the centimeter grid to find the area of the square.
- ____________________ square inches
- ____________________ square centimeters
Write a multiplication expression that describes the rows and the columns in the square, and represents the area in each unit.
- ____________________ square inches
- ____________________ square centimeters