fact-family/add-sub-within-20/expert · Série 99
6 problems
Nom:
Classe:
Date:
1
Write the fact family for 17, 3, 20:
=
2
Write the fact family for 5, 6, 30:
=
3
Write the fact family for 9, 6, 54:
=
4
Write the fact family for 5, 3, 15:
=
5
Write the fact family for 16, 1, 17:
=
6
Write the fact family for 15, 4, 19:
=