Add or Subtract Within 100 Using Strategies

• 66

• 77

• 88

• 99

• 63

• 73

• 74

• 84

• 17

• 18

• 19

• 20

The answer is ....

• 45 and 80

• 45 and 90

• 45 and 100

• 44 and 90

• 11

• 12

• 13

• 14

• 2

• 3

• 4

• 5

• 20

• 11

• 32

• 31

• 10

• 11

• 12

• 13

• 55

• 65

• 75

• 85

Ani has 40 dolls. Ina has 26 dolls too.

How many dolls do they have altogether?

• 40 + 30 = 70

• 40 + 26 = 66

• 40 + 40 = 80

• 40 + 36 = 76