fact-family/add-sub-within-20/expert · Série 11
6 problems
Nom:
Classe:
Date:
1
Write the fact family for 9, 9, 81:
=
2
Write the fact family for 4, 12, 48:
=
3
Write the fact family for 1, 6, 7:
=
4
Write the fact family for 19, 1, 20:
=
5
Write the fact family for 10, 10, 20:
=
6
Write the fact family for 7, 7, 49:
=