Lesson 15 Addition and Subtraction Expressions within 5
Let’s add and subtract within 5.
Warm-up Which One Doesn’t Belong: Expressions and Equations
Which one doesn’t belong?
Activity 1 Four Corners: Totals and Differences
Find the value of the expression on your card. Go to the corner that is labeled with the value of the expression.
Activity 2 Compare Expressions
You and your partner will both flip over a card. Look at both expressions. If your expression shows the number that is more, say ‘Me!’ and then explain to your partner how you know. If both expressions show the same number, say ‘Same!’
Activity 3 Centers: Choice Time
Choose a center.
Roll and Add
Find the Value of Expressions