Unit 2 - Lesson 5 - Grade 3: Illustrative Mathematics
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Last updated about 1 year ago
17 questions
Note from the author:
Lesson: Represent Products as Areas
Cool Down: Create a Rectangular Area
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Grade 3 Unit 2
Lesson 5: Represent Products as Areas
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 2
Lesson 5: Represent Products as Areas
CC BY 2021 Illustrative Mathematics®
How Many Do You See: One More (Warm Up)
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Question 1
1.
How many do you see?
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Question 2
2.
How do you see them?
Match Expressions and Areas
Your teacher has posted images of rectangles around the room. Match each expression with a rectangle that can represent it. Be prepared to explain your reasoning.
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Question 3
3.
9 x 5
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Create from Expressions
The numbers in each expression represent the number of rows (or columns) in a rectangle and how many squares are in each row (or column).
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Question 10
10.
On the grid, draw each rectangle, label it with the numbers, and find its area.
3 x 4
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Question 16
16.
Use the grid to create a rectangular area that represents the expression 7 x 4.
Question 17
17.
Explain your reasoning.
Question 4
4.
8 x 2
Question 5
5.
7 x 10
Question 6
6.
3 x 3
Question 7
7.
2 x 6
Question 8
8.
8 x 4
Question 9
9.
5 x 7
Question 11
11.
On the grid, draw each rectangle, label it with the numbers, and find its area.
4 x 6
Question 12
12.
On the grid, draw each rectangle, label it with the numbers, and find its area.
6 x 3
Question 13
13.
On the grid, draw each rectangle, label it with the numbers, and find its area.
7 x 4
Question 14
14.
On the grid, draw each rectangle, label it with the numbers, and find its area.
3 x 2
Question 15
15.
Explain why multiplying the numbers in each expression gives us the area of the rectangle.