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.
Activity 1 Revisit Counting Collections
We are going to revisit a center you may have played in Kindergarten or first grade. You and your partner will get a collection of objects. Your job is to figure out how many objects are in your collection and show how you counted.
Activity 2 Centers: Choice Time
Choose a center.
What’s Behind My Back?
![Center. What's Behind My Back.](../../../../../downloads/04de3281--2.1.A-Student-Pages.ConnectingTowers-(1).png)
How Close?
Number Puzzles
Sort and Display
![Center. Sort and Display.](../../../../../downloads/6198ca16--SortAndDisplay.png)