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Unit 2 - Lesson 6 - Grade 3: Illustrative Mathematics

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Last updated 2 months ago
12 Questions
Note from the author:
Grade 3 Unit 2
Lesson 6: Different Square Units (Part 1)
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 6: Different Square Units (Part 1)
CC BY 2021 Illustrative Mathematics®
Lesson: Different Square Units (Part 1)

Notice and Wonder: Squares, Squares (Warm Up)

1.

What do you notice?

2.

What do you wonder?

Same Rectangle, Different Units

Your teacher will give you two kinds of grid paper. Use them to create a rectangle for each expression.
  • Partner 1: Use grid 1.
  • Partner 2: Use grid 2.

Partner 1

3.

Create a rectangle for the expression.

2 x 5

4.

Create a rectangle for the expression.

7 x 3

5.

Create a rectangle for the expression.

6 x 8

Partner 2

6.

Create a rectangle for the expression.

2 x 5

7.

Create a rectangle for the expression.

7 x 3

8.

Create a rectangle for the expression.

6 x 8

What’s the Area?

9.
Estimate how many square centimeters and inches it will take to tile this square.

_______ square inches (estimate)

_______ square centimeters (estimate)
10.
Use the inch grid and centimeter grid to find the area of the square.

_______ square inches

_______ square centimeters
11.
Write a multiplication expression that describes the rows and columns in the square and can tell us the area in each unit.

square inches _______

square centimeters _______
Cool Down: Which Square?
Here is a rectangle.


Here are 2 different squares you could use to tile.

12.

Which square would allow you to tile the rectangle with the fewest number of squares? Explain your reasoning.