fact-family/add-sub-within-20/expert · Sett 38
6 problems
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1
Write the fact family for 2, 6, 12:
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2
Write the fact family for 4, 15, 19:
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3
Write the fact family for 9, 4, 36:
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4
Write the fact family for 19, 1, 20:
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5
Write the fact family for 4, 8, 32:
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6
Write the fact family for 7, 8, 56:
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