fact-family/add-sub-within-20/hard · Satz 97
6 problems
Name:
Klasse:
Datum:
1
Write the fact family for 5, 12, 60:
=
2
Write the fact family for 7, 7, 49:
=
3
Write the fact family for 2, 15, 17:
=
4
Write the fact family for 19, 1, 20:
=
5
Write the fact family for 18, 1, 19:
=
6
Write the fact family for 4, 11, 44:
=