fact-family/add-sub-within-20/hard · Sett 87
6 problems
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1
Write the fact family for 4, 11, 44:
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2
Write the fact family for 12, 2, 24:
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3
Write the fact family for 14, 1, 15:
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4
Write the fact family for 4, 7, 28:
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5
Write the fact family for 12, 11, 132:
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6
Write the fact family for 9, 7, 63:
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