# 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

Number Line Scoot

How Close?