fact-family/add-sub-within-10/expert · Sæt 18
5 problems
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1
Write the fact family for 3, 7, 21:
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2
Write the fact family for 2, 8, 10:
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3
Write the fact family for 3, 10, 30:
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4
Write the fact family for 4, 2, 8:
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5
Write the fact family for 8, 10, 80:
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