Subtraction by 10s

50+20=70

• Addition

• Subtraction

50-40=10

• Addition

• Subtraction

Fifty minus forty equals ten

Find the correct number sentence

• 50+40=10

• 40-50=10

• 50-40=10

• 40-10=30

Maggie has 50 balloons. She sells 30 how many does she have left?

what is the difference?

• 25

• 40

• 30

• 20

Jeff has 60 pencils and gives away 20 how many does he have left?

• 80

• 40

• 50

• 30

Jeff has 50 ducks and sells 20 how many ducks he have left?

Select the correct number sentence

• 50-30=20

• 30-20=10

• 40-20=20

• 50-20=30

Find the difference

seventy minus twenty

• 60

• 70

• 50

• 30

80 subtract 30 Equals?

• Thirty

• Sixty

• Fifty

• Forty