fact-family/add-sub-within-20-write-all · Série 37
5 problems
Nom:
Classe:
Date:
1
Write the fact family for 19, 1, 20:
=
2
Write the fact family for 17, 2, 19:
=
3
Write the fact family for 15, 3, 18:
=
4
Write the fact family for 3, 11, 14:
=
5
Write the fact family for 4, 11, 15:
=