fact-family/add-sub-within-20/easy · Sada 39
6 problems
Jméno:
Třída:
Datum:
1
Write the fact family for 18, 2, 20:
=
2
Write the fact family for 14, 3, 17:
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3
Write the fact family for 2, 15, 17:
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4
Write the fact family for 1, 8, 9:
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5
Write the fact family for 9, 8, 17:
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6
Write the fact family for 13, 5, 18:
=