fact-family/add-sub-within-20/easy · Sada 40
6 problems
Jméno:
Třída:
Datum:
1
Write the fact family for 18, 1, 19:
=
2
Write the fact family for 5, 14, 19:
=
3
Write the fact family for 11, 4, 15:
=
4
Write the fact family for 6, 14, 20:
=
5
Write the fact family for 9, 8, 17:
=
6
Write the fact family for 13, 5, 18:
=