fact-family/add-sub-within-20/easy · Conjunto 28
6 problems
Nombre:
Clase:
Fecha:
1
Write the fact family for 19, 1, 20:
=
2
Write the fact family for 3, 6, 9:
=
3
Write the fact family for 9, 3, 12:
=
4
Write the fact family for 1, 14, 15:
=
5
Write the fact family for 13, 4, 17:
=
6
Write the fact family for 6, 14, 20:
=