Lesson 12 Center Day 2

- Let’s sort a collection and make graphs to represent it.

Warm-up Number Talk: Differences

Find the value of each expression mentally.

$17 - 7$
$17 - 9$
$15 - 5$
$15 - 8$

Activity 1 Revisit Sort and Display

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.