fact-family/add-sub-within-20/hard · Satz 54
6 problems
Name:
Klasse:
Datum:
1
Write the fact family for 10, 7, 70:
=
2
Write the fact family for 5, 3, 15:
=
3
Write the fact family for 4, 7, 28:
=
4
Write the fact family for 2, 10, 20:
=
5
Write the fact family for 3, 4, 12:
=
6
Write the fact family for 12, 2, 24:
=