fact-family/add-sub-within-20-write-all · Série 52
6 problems
Nom:
Classe:
Date:
1
Write the fact family for 18, 1, 19:
=
2
Write the fact family for 18, 2, 20:
=
3
Write the fact family for 9, 1, 10:
=
4
Write the fact family for 14, 3, 17:
=
5
Write the fact family for 10, 10, 20:
=
6
Write the fact family for 12, 1, 13:
=