fact-family/add-sub-within-20/easy · Sarja 78
6 problems
Nimi:
Luokka:
Päivämäärä:
1
Write the fact family for 10, 10, 20:
=
2
Write the fact family for 5, 10, 15:
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3
Write the fact family for 4, 7, 11:
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4
Write the fact family for 11, 7, 18:
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5
Write the fact family for 2, 8, 10:
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6
Write the fact family for 5, 15, 20:
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