Two-Digit Addition

Place Value

100

How many ones are in the number 28?

There are 8 ones.

200

How many tens are in the number 137?

There are 3 tens.

300

How many tens are in the number 6?

There are 0 tens.

400

How many tens and ones are in the number 36?

3 tens and 6 ones

500

What is another way to write 9 tens and 3 ones?

93

Two-Digit Addition without Regrouping

100

26 + 3 ____

29

200

17 + 11 ____

28

300

Rewrite the following addition sentence vertically: 32 + 16 =

32 +16 ___

400

Rewrite the following addition sentence vertically: 43 + 24 =

43 +24 ____

500

42 + 13 + 24 = ___

79

Two-Digit Addition with Regrouping

100

37 +8 ___

45

200

46 + 24 ____

70

300

63 + 29 ____

92

400

47 + 26 + 38 = ___

111

500

12 + 34 + 22 + 18 = ____

86