fact-family/add-sub-within-20-fill-blanks · Sett 32
6 problems
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1
Write the fact family for 9, 11, 20:
=
2
Write the fact family for 16, 1, 17:
=
3
Write the fact family for 18, 2, 20:
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4
Write the fact family for 4, 14, 18:
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5
Write the fact family for 15, 4, 19:
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6
Write the fact family for 11, 4, 15:
=