Grade 2 Unit 2
Lesson 9: Add and Subtract Within 100
CC BY 2021 Illustrative Mathematics
Grade 2 Unit 2
Lesson 9: Add and Subtract Within 100
CC BY 2021 Illustrative Mathematics
Which one doesn’t belong?
Match each expression to a base-ten diagram.
Choose 1 addition expression and find the value of the sum.
Choose 1 subtraction expression and find the value of the difference.