Unit 4 - Lesson 15 - Grade 3: Illustrative Mathematics
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8 questions
Note from the author:
Lesson: Equal Groups, Larger Numbers
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Cool Down: Find the Area
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Grade 3 Unit 4
Lesson 15: Equal Groups, Larger Numbers
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 4
Lesson 15: Equal Groups, Larger Numbers
CC BY 2021 Illustrative Mathematics®
Which One Doesn’t Belong: Rectangles (Warm Up)
Question 1
1.
Which one doesn’t belong?
Equal Groups, Larger Numbers
Question 2
2.
Solve the problem. Explain or show your reasoning.
Noah sees a large painted mural that has side lengths of 15 feet and 4 feet. What is the area of the mural?
Question 3
3.
Solve the problem. Explain or show your reasoning.
Noah’s family buys a mosaic that has 12 rows and 8 columns of 1 inch tiles. What is the area of the mosaic?
Question 4
4.
Solve the problem. Explain or show your reasoning.
At the art festival, Noah uses sidewalk chalk to help decorate a rectangular piece of sidewalk that is 6 feet by 14 feet. What is the area of the piece of sidewalk that Noah helped decorate?
Question 5
5.
Solve the problem. Explain or show your reasoning.
At the art festival, Noah buys a pack of stickers. There are 5 sheets and each sheet has 16 stickers. How many stickers are in the pack?
Gallery Walk: Equal Groups, Larger Numbers
Question 6
6.
As you visit the posters with your partner, discuss what is the same about the thinking shown on each poster.
Question 7
7.
As you visit the posters with your partner, discuss what is different about the thinking shown on each poster.
Question 8
8.
A rectangle is 6 feet by 15 feet. What is the area of the rectangle? Explain or show your