Lesson 4 More Work with 1 and 2
Let’s subtract 1 or 2.
Warm-up Number Talk: Add 1 or 2
Find the value of each expression mentally.
Activity 1 Introduce Five in a Row: Addition and Subtraction, Subtract 1 or 2
We are going to learn a new way to play, Five in a Row.
Activity 2 Centers: Choice Time
Choose a center.
Check it Off
Five in a Row: Addition and Subtraction
Find the value of each difference.