fact-family/add-sub-within-20/hard · Sett 65
6 problems
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1
Write the fact family for 10, 6, 16:
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2
Write the fact family for 7, 12, 19:
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3
Write the fact family for 10, 10, 100:
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4
Write the fact family for 12, 10, 120:
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5
Write the fact family for 6, 5, 30:
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6
Write the fact family for 2, 10, 20:
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