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Unit 2 - Lesson 2 - Grade 3: Illustrative Mathematics

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Grade 3 Unit 2
Lesson 2: How Do We Measure Area?
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 2: How Do We Measure Area?
CC BY 2021 Illustrative Mathematics®
Lesson: How Do We Measure Area?

Which One Doesn’t Belong: Shapes with Squares (Warm Up)

Which one doesn’t belong?

Create and Compare

Directions:
  1. Take a handful of square tiles.
  2. Create a shape from the tiles.
  3. As a group, order the shapes from smallest to largest.

Use Square Tiles to Measure Area

Your teacher will give you handouts with some figures on them.
  • Use square tiles to find the area of each figure.
  • Record your answers here. Be prepared to explain your reasoning.
Figure #1: _______square units

Explain your reasoning.

Figure #2: _______square units

Explain your reasoning.

Figure #3: _______square units

Explain your reasoning.

Figure #4: _______square units

Explain your reasoning.

Figure #5: _______square units

Explain your reasoning.

Figure #6: _______square units

Explain your reasoning.

Cool Down: Tile and Tell
Use square tiles to find the area of the figure.

Number of square tiles used: _______square tiles

Area: _______square units