fact-family/add-sub-within-20/easy · Sada 27
6 problems
Jméno:
Třída:
Datum:
1
Write the fact family for 10, 1, 11:
=
2
Write the fact family for 6, 5, 11:
=
3
Write the fact family for 18, 2, 20:
=
4
Write the fact family for 13, 2, 15:
=
5
Write the fact family for 9, 6, 15:
=
6
Write the fact family for 16, 3, 19:
=