Unit 2 - Lesson 9 - Grade 2: Illustrative Mathematics

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Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Grade 2 Unit 2

Lesson 9: Add and Subtract Within 100

CC BY 2021 Illustrative Mathematics

Akwankyerɛ

Grade 2 Unit 2

Lesson 9: Add and Subtract Within 100

CC BY 2021 Illustrative Mathematics

Lesson: Add and Subtract Within 100

Which One Doesn’t Belong: Tens and Ones (Warm Up)

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Match each expression to a base-ten diagram.

Find the value of each expression. Show your thinking. Use blocks if it helps.

Cool Down: Find the Value Your Way

Find the value of each expression. Show your thinking. Use blocks if it helps.