Unit 2 - Lesson 5 - Grade 2: Illustrative Mathematics
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Grade 2 Unit 2
Lesson 5: Subtract Your Way
CC BY 2021 Illustrative Mathematics
Grade 2 Unit 2
Lesson 5: Subtract Your Way
CC BY 2021 Illustrative Mathematics
Lesson: Subtract Your Way
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of 82 - 9.
Show your thinking. Use blocks if it helps.
Find the value of 82 - 9.
Show your thinking. Use blocks if it helps.
Diego started with 5 tens and 5 ones. Represent Diego’s blocks with the base-ten blocks.
How many does he have?
Diego started with 5 tens and 5 ones. Represent Diego’s blocks with the base-ten blocks.
How many does he have?
Diego took away 2 tens.
- Draw a representation to show what happened to Diego’s blocks.
- Write an equation to show how many Diego has now.
Diego took away 2 tens.
- Draw a representation to show what happened to Diego’s blocks.
- Write an equation to show how many Diego has now.
Then, Diego took away 8 ones.
- Draw a diagram to show what happened to Diego’s blocks.
- Write an equation to show how many Diego has now. Be prepared to explain your reasoning.
Then, Diego took away 8 ones.
- Draw a diagram to show what happened to Diego’s blocks.
- Write an equation to show how many Diego has now. Be prepared to explain your reasoning.
Cool Down: Find the Difference
Find the value of 75 - 9. Show your thinking.
Find the value of 75 - 9. Show your thinking.