fact-family/add-sub-within-20-fill-blanks · Sæt 40
6 problems
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1
Write the fact family for 19, 1, 20:
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2
Write the fact family for 8, 9, 17:
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3
Write the fact family for 16, 1, 17:
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4
Write the fact family for 13, 4, 17:
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5
Write the fact family for 2, 14, 16:
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6
Write the fact family for 8, 7, 15:
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