(4x5) + (5x5)

• 45

• 54

• 34

• 65

If there are 21 people in a party. And 16 people for a curfew. How many people are left at the party?

• 51

• 12

• 5

• 3

44 - 25 + 13 - 2

• 21

• 30

• 16

• 8

89 + 45

• 7890

• 111

• 123

• 134

1000 - 65 + 50

• 12

• 36

• 985

• 10