fact-family/add-sub-within-20/easy · Satz 20
6 problems
Name:
Klasse:
Datum:
1
Write the fact family for 1, 8, 9:
=
2
Write the fact family for 6, 13, 19:
=
3
Write the fact family for 10, 7, 17:
=
4
Write the fact family for 3, 8, 11:
=
5
Write the fact family for 4, 4, 8:
=
6
Write the fact family for 17, 1, 18:
=