Lesson 17 Center Day 3

- Let’s count large groups of objects and play games to practice adding and creating graphs.

Warm-up Number Talk: Add Ten More

Find the value of each sum mentally.

$27 + 10$
$27 + 10 + 10$
$27 + 30$
$37 + 30$

Activity 1 Revisit Counting Collections

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.

Sort and Display

Center. Sort and Display.