Common Core: 1.OA — Operations & Algebraic Thinking
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Name
Date
Score
/ 10
Number Bonds 11-15 (Set A)
Directions: Find missing parts in bonds from 11 to 15
1.
? + 8 = 12
2.
2 + 10 = ?
3.
1 + 12 = ?
4.
11 + ? = 13
5.
9 + ? = 13
6.
? + 7 = 14
7.
5 + 9 = ?
8.
3 + 12 = ?
9.
1 + ? = 15
10.
? + 1 = 5
Great work — check your answers when you finish.
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