number-bonds/addition-bonds/medium · セット 66

8 problems
1
2 1 + __ =
2
Number bond: 8 3 + ? =
3
Complete the number bond: 4 2 + __ =
4
Number bond: 10 + 3 =
5
Complete the number bond: 5 __ + 4 =
6
4 __ + 2 =
7
7 __ + 3 =
8
8 4 + __ =
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