1
What do you notice?
What do you notice?
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What do you wonder?
What do you wonder?
Grade 3 Unit 2
Lesson 3: Tile Rectangles
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 3: Tile Rectangles
CC BY 2021 Illustrative Mathematics®
Which one doesn't belong?
Your teacher will give you square tiles and a handout showing rectangles and squares.
Describe or show how to use the square tiles to measure the area of each rectangle. You can place square tiles on the handout where squares are already shown. You can also move the tiles, if needed.
Describe or show how to use the square tiles to measure the area of each rectangle. You can place square tiles on the handout where squares are already shown. You can also move the tiles, if needed.
Describe how to use square tiles to find the area of any rectangle.
What do you notice?
What do you wonder?
Draw a rectangle with an area of 8 square units on the grid.
Sort the cards into categories of your
choosing. Be prepared to explain your categories.
Create a rectangle that would fit in each group.
Andre says this rectangle has an area of 23 square units because he covered it with 23 square tiles.
Do you agree with Andre? Explain your reasoning.
Describe or show how to use the square tiles to measure the area of each rectangle. You can place square tiles on the handout where squares are already shown. You can also move the tiles, if needed.
Describe or show how to use the square tiles to measure the area of each rectangle. You can place square tiles on the handout where squares are already shown. You can also move the tiles, if needed.
