fact-family/add-sub-within-20/easy · Sæt 61
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, 5, 12:
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3
Write the fact family for 15, 4, 19:
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4
Write the fact family for 18, 2, 20:
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5
Write the fact family for 6, 9, 15:
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6
Write the fact family for 5, 13, 18:
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