fact-family/add-sub-within-20/easy · Sett 49
6 problems
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1
Write the fact family for 15, 5, 20:
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2
Write the fact family for 7, 9, 16:
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3
Write the fact family for 3, 16, 19:
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4
Write the fact family for 15, 4, 19:
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5
Write the fact family for 8, 2, 10:
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6
Write the fact family for 4, 14, 18:
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