number-bonds/addition-bonds/hard · 세트 25
8 problems
이름:
학급:
날짜:
1
Complete the number bond: 9 __ + 2
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2
Number bond: 2 1 + ?
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3
7 2 + __
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4
Complete the number bond: 7 2 + __
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5
Number bond: 9 + 5
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6
Complete the number bond: 6 __ + 3
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7
8 3 + __
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8
3 __ + 1
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