number-bonds/to-50/medium · セット 60
7 problems
名前：
クラス:
日付：
1
Complete the number bond: 3 __ + 1
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2
Number bond: 10 + 9
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3
Complete the number bond: 9 __ + 1
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4
Complete the number bond: 10 __ + 5
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5
Number bond: 6 + 2
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6
4 3 + __
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7
Complete the number bond: 2 __ + 1
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