Unit 5 - Lesson 2 - Grade 2: Illustrative Mathematics
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14 questions
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Grade 2 Unit 5
Lesson 2: Make Hundreds
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 5
Lesson 2: Make Hundreds
CC BY 2021 Illustrative Mathematics®
Lesson: Make Hundreds
Build each number using base-ten blocks. Record how many tens blocks you use.
Build 90.
_______ tens
Build 110.
_______ tens
Build 150.
_______ tens
How many base-ten blocks would you need to build 200?
_______ tens
How many base-ten blocks would you need to build 300?
_______ tens
How many base-ten blocks would you need to build 300 if you could use 1 hundreds block?
1 hundred _______ tens
How many tens would you need to build 300 if you could use 2 hundreds blocks?
2 hundreds _______ tens
How many tens would you need to build 300 if you could use only hundreds blocks?
_______ hundreds _______ tens
Han and Jada represented the same number using base-ten blocks. They started base-ten diagrams, but ran out of time to finish them.
Use base-ten blocks to show what each student’s work would look like if they had time to finish it.
Use base-ten blocks to show what each student’s work would look like if they had time to finish it.
Explain how you know both ways of using base-ten blocks show 700.
Explain how you know both ways of using base-ten blocks show 700.
Complete Jada’s base-ten diagram.
Complete Jada’s base-ten diagram.
Explain why you think Han ran out of time to finish his diagram.
Explain why you think Han ran out of time to finish his diagram.
Cool Down: How Many?
How many do you see?
How many do you see?
How could you represent the same value in a different way? Show yourthinking using a diagram or words.
How could you represent the same value in a different way? Show your
thinking using a diagram or words.