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Subtracting 10s
Adding 10s
2-digit Addition
2-digit Subtraction
Regrouping?
100
35 - 20=
What is 15?
100
30 + 20 =
What is 50?
100
20 + 8 =
What is 28?
100
47 - 6 =
What is 41?
100
15 + 7 =
What is 22?
200
53 - 10 =
What is 43?
200
50 + 15 =
What is 65?
200
40 + 2 =
What is 42?
200
79 - 3 =
What is 76?
200
76 + 13 =
What is 89?
300
75 - 40 =
What is 35?
300
47 + 20 =
What is 67?
300
60 + 4 =
What is 64?
300
53 - 3 =
What is 50?
300
46 - 9 =
What is 37?
400
94 - 80 =
What is 14?
400
78 + 20 =
What is 98?
400
80 + 12 =
What is 92?
400
58 - 15 =
What is 43?
400
59 - 10 =
What is 49?
500
18 - 10 =
What is 8?
500
49 + 20 +
What is 69?
500
30 + 25 =
What is 55?
500
96 - 86 =
What is 10?
500
46 - 8 =
What is 38?