fact-family/add-sub-within-20/easy · Sæt 29
6 problems
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1
Write the fact family for 6, 7, 13:
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2
Write the fact family for 14, 3, 17:
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3
Write the fact family for 15, 3, 18:
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4
Write the fact family for 13, 2, 15:
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5
Write the fact family for 1, 17, 18:
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6
Write the fact family for 17, 2, 19:
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