number-bonds/addition-bonds/hard · セット 46
8 problems
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クラス:
日付：
1
Number bond: 4 2 + ?
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2
Complete the number bond: 7 2 + __
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3
4 2 + __
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4
Complete the number bond: 5 __ + 4
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5
Number bond: 9 + 2
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6
Complete the number bond: 7 __ + 2
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7
Complete the number bond: 3 __ + 1
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8
9 6 + __
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