Lesson 27 Center Day 4
Let’s play games to practice addition and subtraction.
Warm-up Number Talk: Subtract 10
Find the value of each expression mentally.
Activity 1 Introduce How Close? Subtract from 20
We are going to learn a new way to play the How Close center. Let’s play one round together.
Activity 2 Introduce Compare, Add and Subtract Within 20
Choose a center.
Five in a Row