Unit 2, Lesson 2

How Do We Measure Area?

Grade 3

Warm-up

Which 3 go together?

Diagram. Rectangle partitioned into 3 rows of 3 of the same size squares, with alternating shaded and non-shaded squares. — B

Diagram. Square partitioned into 4 of the same size squares, 2 shaded and 2 unshaded. — C

A rectangle tiled with blue and white <span>same size squares.</span> — D

Activity 1

Take a handful of square tiles.
Create a flat shape by connecting the tiles.
As a group, order the shapes from smallest to largest.

Activity 2

Your teacher will give you handouts with some figures on them.

Use square tiles to find the area of each figure. Each tile has an area of 1 square unit. Record your answers here. Be prepared to explain your reasoning.

Area: _____ square units
Area: _____ square units
Area: _____ square units
Area: _____ square units
Area: _____ square units
Area: _____ square units

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