fact-family/mixed-within-20-write-all · Série 21
6 problems
Nom:
Classe:
Date:
1
Write the fact family for 2, 11, 13:
=
2
Write the fact family for 2, 9, 11:
=
3
Write the fact family for 1, 5, 6:
=
4
Write the fact family for 12, 8, 20:
=
5
Write the fact family for 10, 7, 17:
=
6
Write the fact family for 19, 1, 20:
=