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Lesson 8

Warm-up Activity 1 Activity 2

Unit 9, Lesson 8

Add and Subtract within 100

Grade 2

Warm-up

Find the value of each expression mentally.

Activity 1

Play 3 rounds of the game. Write an equation that shows the value you find for each round.

Round 1:

Round 2:

Round 3:

Activity 2

Choose a center.

Five in a Row

Target Numbers