Adding Tens
Subtracting Tens
Related Facts
Double Digit Addition
Story Problems
100
1 tens plus 2 tens =
What is 3 tens
100
40 - 20 =
What is 20
100
60 - 10 = ___ + ___ = ____
What is 50 50 + 10 = 60 or 10 + 50 = 60
100
47 + 6 =
What is 53
100
Tiffany had 40 marbles at home. She bought 20 more. How many marbles does Tiffany have now?
What is 60 marbles
200
50 + 20 =
What is 70
200
6 tens minus 4 tens =
What is 2 tens
200
70 - 50 = ___ + ___ = ___
What is 20 20 + 50 = 70 or 50 + 20 = 70
200
62 + 17 =
What is 79
200
Hannah loves bananas. She had 10 last week. She went to the store and bought 20 more. How many bananas could Hannah eat altogether?
What is 30 bananas
300
3 tens plus 6 tens =
What is 9 tens
300
9 tens minus 7 tens =
What is 2 tens
300
40 + ___ = 80 ___ - ___ = ___
What is 40 80 - 40 = 40
300
75 + 48 =
What is 123
300
Justin had 70 baseball cards. He was playing in his room and lost 40 of them. How many baseball cards does Justin have left?
What is 30 baseball cards.
400
70 + 70 =
What is 140
400
100 - 60 =
What is 40
400
30 + ___ = 100 ___ - ___ = ___
What is 70 100 - 30 = 70 or 100 - 70 = 30
400
9 + 37 =
What is 46
400
Austen wanted to bake cookies for his friends. He made 50 cookies but forgot that the oven was still on. He burnt 20 of them. How many good cookies does he have left?
What is 30 cookies
500
10 tens plus 2 tens =
What is 120 tens
500
120 - 70 =
What is 50
500
26 + ___ = 40 ___ - ___ = ___
What is 14 40 - 26 = 14 or 40 - 14 =26
500
59 + 87 =
What is 146
500
Leah went running and ran 80 miles last week. Caitlyn went running and ran 50 miles last week. How many more miles did Leah run than Caitlyn?
What is 30 miles
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