fact-family/add-sub-within-20/hard · Satz 45
6 problems
Name:
Klasse:
Datum:
1
Write the fact family for 9, 8, 72:
=
2
Write the fact family for 9, 8, 17:
=
3
Write the fact family for 1, 13, 14:
=
4
Write the fact family for 5, 13, 18:
=
5
Write the fact family for 7, 8, 15:
=
6
Write the fact family for 17, 3, 20:
=