fact-family/add-sub-within-20/hard · Satz 74
6 problems
Name:
Klasse:
Datum:
1
Write the fact family for 7, 6, 13:
=
2
Write the fact family for 18, 2, 20:
=
3
Write the fact family for 2, 7, 9:
=
4
Write the fact family for 3, 3, 9:
=
5
Write the fact family for 12, 7, 84:
=
6
Write the fact family for 4, 7, 28:
=