fact-family/add-sub-within-20/hard · Satz 76
6 problems
Name:
Klasse:
Datum:
1
Write the fact family for 12, 4, 16:
=
2
Write the fact family for 4, 5, 20:
=
3
Write the fact family for 5, 15, 20:
=
4
Write the fact family for 3, 12, 15:
=
5
Write the fact family for 4, 9, 36:
=
6
Write the fact family for 2, 6, 12:
=