fact-family/add-sub-within-20/easy · Sada 72
6 problems
Jméno:
Třída:
Datum:
1
Write the fact family for 1, 11, 12:
=
2
Write the fact family for 12, 8, 20:
=
3
Write the fact family for 10, 3, 13:
=
4
Write the fact family for 15, 4, 19:
=
5
Write the fact family for 12, 4, 16:
=
6
Write the fact family for 17, 2, 19:
=