Common Core: 1.OA

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Number Bonds 11-15 (Set B)

Grade 1 · Number Bonds · 10 problems

Directions: Find the missing number in each bond.

1.
2 + 10 = ?
2.
1 + 12 = ?
3.
11 + ? = 13
4.
9 + ? = 13
5.
? + 7 = 14
6.
5 + 9 = ?
7.
3 + 12 = ?
8.
1 + ? = 15
9.
? + 1 = 5
10.
? + 2 = 5

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