fact-family/add-sub-within-20-write-all · Sett 67
6 problems
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1
Write the fact family for 1, 12, 13:
=
2
Write the fact family for 16, 1, 17:
=
3
Write the fact family for 13, 6, 19:
=
4
Write the fact family for 12, 2, 14:
=
5
Write the fact family for 12, 6, 18:
=
6
Write the fact family for 2, 9, 11:
=