fact-family/add-sub-within-20-write-all · Sæt 28
6 problems
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1
Write the fact family for 18, 2, 20:
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2
Write the fact family for 16, 3, 19:
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3
Write the fact family for 11, 1, 12:
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4
Write the fact family for 7, 4, 11:
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5
Write the fact family for 18, 1, 19:
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6
Write the fact family for 9, 5, 14:
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