Unit 5 - Lesson 1 - Grade 2: Illustrative Mathematics
By Formative Library
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Grade 2 Unit 5
Lesson 1: How Do We Compose a Hundred?
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 5
Lesson 1: How Do We Compose a Hundred?
CC BY 2021 Illustrative Mathematics®
Lesson: How Do We Compose a Hundred?
How Do We Make a Hundred?
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1
Question 1
1.
How many do you see? How do you see them?
Andre added more blocks.
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Question 2
2.
What is the value of Andre’s blocks now?
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Question 3
3.
How many tens and ones are in this number?
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Question 4
4.
Andre made the same number with the fewest amount of blocks possible. Draw a base-ten diagram to show what Andre’s number looks like now. Use your base-ten blocks to help.
Different Ways to See 100
Three students were looking at 100 small squares arranged like this:
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Question 5
5.
Match the diagrams to the statements. Label each diagram with A, B, or C. Be prepared to explain your matches.
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Question 6
6.
Represent with blocks or a diagram.
Cool Down: Fewer Blocks
Andre represented a number with base-ten blocks.
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Question 7
7.
What number did Andre represent?
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Question 8
8.
How could he represent this number with fewer blocks? Show your thinking with words or a base-ten diagram.