number-bonds/addition-bonds/medium · セット 61
8 problems
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クラス:
日付：
1
Number bond: 3 1 + ?
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2
Complete the number bond: 7 2 + __
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3
Number bond: 3 + 2
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4
Complete the number bond: 8 3 + __
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5
4 1 + __
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6
Number bond: 2 + 1
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7
Complete the number bond: 4 2 + __
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8
Complete the number bond: 6 __ + 3
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