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Unit 4 - Lesson 1 - Grade 5: Illustrative Mathematics
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Lesson: Estimate and Find Products
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Cool Down: Fifteen
Grade 5 Unit 4
Lesson 1: Estimate and Find Products
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 4
Lesson 1: Estimate and Find Products
CC BY 2021 Illustrative Mathematics®
Number Talk: A Multiple of 10 (Warm Up)
Find the value of each product mentally.
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Question 1
1.
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Question 2
2.
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Question 3
3.
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Reasonable Estimates
Question 5
5.
Which estimate for the product 18 x 149 is most reasonable?
2,000
4,000
3,000
1,500
Question 6
6.
Explain or show your reasoning.
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Question 7
7.
Are any of the estimates unreasonable? Explain or show your reasoning.
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Question 8
8.
Do you think the actual product will be more or less than your estimate? Explain or show your reasoning.
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Multiply by 18
Find the value of each expression. Explain or show your reasoning.
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Question 9
9.
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Question 10
10.
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Find the value of each expression. Explain or show your reasoning.
1
Question 12
12.
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Question 13
13.
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Question 4
4.
Question 11
11.
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Question 14
14.
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