fact-family/add-sub-within-20-write-all · Sæt 49
5 problems
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1
Write the fact family for 3, 15, 18:
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2
Write the fact family for 3, 8, 11:
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3
Write the fact family for 14, 6, 20:
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4
Write the fact family for 2, 14, 16:
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5
Write the fact family for 9, 5, 14:
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