Adding and Subtracting 2-Digit Regrouping

What is the sum of 34 and 57?

• 45

• 91

• 112

• 81

What is the difference between 89 and 45?

• 1

• 44

• 100

• 0

What is the sum of 23 and 68?

• 91

• 72

• 105

• 89

What is the difference between 76 and 29?

• -47

• 105

• 5

• 47

What is the sum of 45 and 56?

• 101

• 110

• 90

• 100

What is the difference between 87 and 32?

• 10

• 45

• 20

• 55

What is the sum of 56 and 78?

• 112

• 99

• 134

• 1345

What is the difference between 92 and 47?

• 55

• 37

• 12

• 45

What is the sum of 67 and 45?

• 100

• 50

• 80

• 112

What is the difference between 83 and 39?

• -44

• 122

• 44

• 0