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Place Value
Two-Digit Addition without Regrouping
Two-Digit Addition with Regrouping
100
How many ones are in the number 28?
There are 8 ones.
100
26 + 3 ____
29
100
37 +8 ___
45
200
How many tens are in the number 137?
There are 3 tens.
200
17 + 11 ____
28
200
46 + 24 ____
70
300
How many tens are in the number 6?
There are 0 tens.
300

32 + 16 =____

48

300
63 + 29 ____
92
400
How many tens and ones are in the number 36?
3 tens and 6 ones
400

43 + 24 = ____

67

400

47 + 26 = ____

73

500
What is another way to write 9 tens and 3 ones?
93
500

42 + 13 = ____

55

500

46 + 39 = ____

85