fact-family/add-sub-within-20/expert · Sæt 29
6 problems
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1
Write the fact family for 4, 8, 32:
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2
Write the fact family for 10, 3, 30:
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3
Write the fact family for 3, 12, 36:
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4
Write the fact family for 2, 9, 18:
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5
Write the fact family for 4, 5, 20:
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6
Write the fact family for 1, 7, 8:
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