Lesson 6 Center Day 1

- Let’s add and subtract in center activities.

Warm-up Number Talk: Teen Numbers, Two-digit Numbers

Find the value of each expression mentally.

$14 + 22$
$19 + 22$
$15 + 25$
$17 + 25$

Activity 1 Revisit Number Puzzles, Within 20

We are going to play a game you may have played in first grade called Number Puzzles.

Activity 2 Centers: Choice Time

Choose a center.

What’s Behind My Back?

Center. What's Behind My Back.

How Close?

Number Puzzles

Center activity. Number Puzzles.