Lesson 21 Center Day 4

    • Let’s play games to practice adding and subtracting.

Warm-up Number Talk: Missing Values

Find the missing value mentally.

Activity 1 Introduce Number Puzzles, Within 10

Use your number cards to play the game. Complete a puzzle before moving to the next one. Finish as many as you can.

Activity 2 Centers: Choice Time

Choose a center.

Capture Squares

Center. Capture Squares.

Math Stories

Center. Math Stories.

What’s Behind My Back

Center. What's Behind My Back.