Lesson 14 Center Day 2
Let’s practice adding and subtracting and using the number line.
Warm-up True or False: Is This 50?
Decide if each statement is true or false. Be prepared to explain your reasoning.
Activity 1 Introduce Jump the Line: Add and Subtract within 100
You and your partner will choose 3 target numbers and mark them on your number line.
Activity 2 Centers: Choice Time
Choose a center.
Jump the Line
![](../../../../../downloads/c573deae--JumpTheLine.png)
Number Line Scoot
![](../../../../../downloads/78e799c6--NumberLineScoot.png)
How Close?