Addition and Subtraction

Addition and Subtraction

Lesson 1

Addition

• 4+3=7

• 3+1=4

• 2+3=5

• 9+7=16

• 4+7=11

• 9+9=18

• 8+5=13

Subtraction

• 5-3=2

• 5-5=0

• 3-1=2

• 8-4=4

• 6-3=3

• 8-2=6

• 5-1=4