Lesson 13 Center Day 2

    • Let’s add and subtract and work with tens and ones.

Warm-up Number Talk: Within 20

Find the value of each expression mentally.

Activity 1 Centers: Choice Time (Two-Digit Numbers)

Choose a center.

Grab and Count

Center. Grab and Count.

Five in a Row

Center activity. Five in a row.

Check It Off

Center. Check It Off.

Activity 2 Centers: Choice Time (Adding and Subtracting Within 20)

Choose a center.

How Close?

Center. How Close.

Number Puzzles

Center activity. Number Puzzles.

Shake and Spill

Center activity. Shake and Spill.