Two Digit by One Digit Addition with Regrouping

When you are __________ numbers, you are naming whole numbers in a different way.

• digit

• inverse operations

• estimate

• regrouping

Addends can be regrouped and the sum remains the same because of the __________.

• Identity Property of Addition

• Commutative Property of Addition

• Associative Property of Addition

• estimate

69+18=

• 87

• 77

• 71

• 51

73+19=

• 92

• 66

• 54

Fill in the blanks

b

c

d

a

92

40

100

130

• 75

• 103

John has 54 pieces of candy is his candy jar. He added 16 Airheads to the jar. How many pieces of candy does John have now?

• 80 pieces

• 48 pieces

• 70 pieces

• 65 pieces

59+35=

• 94

• 84

• 74

Solve:

9 ones + 4 ones = ​ (a)   ten ​ (b)   ones.

9 + 4 = ​ (c)  

• 1

• 3

• 13

65+29=

• 94

• 46

• 84

• 95