Lesson 23 Center Day 4
Let’s play games about tens and ones.
Warm-up True or False: Tens and Ones
Decide if each statement is true or false.
Be prepared to explain your reasoning.
Activity 1 Introduce Mystery Number: Two-digit Numbers
We are going to learn a new center called Mystery Number.
Activity 2 Centers: Choice Time
Choose a center.
Mystery Number
![Center activity. Mystery Number.](../../../../../downloads/df0a291a--MysteryNumbers.png)
Get Your Numbers in Order
![Center activity. Get Your Numbers In Order.](../../../../../downloads/c2674632--GetYourNumbersInOrder.png)
Greatest of Them All
![Center activity. Greatest of Them All.](../../../../../downloads/2feee168--GreatestOfThemAll.png)