fact-family/add-sub-within-20/expert · Sæt 86
6 problems
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1
Write the fact family for 11, 10, 110:
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2
Write the fact family for 17, 2, 19:
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3
Write the fact family for 7, 11, 77:
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4
Write the fact family for 4, 4, 16:
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5
Write the fact family for 1, 5, 6:
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6
Write the fact family for 7, 6, 42:
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