fact-family/add-sub-within-20/hard · Set 11
6 problems
Naam:
Klas:
Datum:
1
Write the fact family for 5, 9, 14:
=
2
Write the fact family for 9, 2, 18:
=
3
Write the fact family for 3, 12, 36:
=
4
Write the fact family for 17, 3, 20:
=
5
Write the fact family for 8, 10, 18:
=
6
Write the fact family for 5, 12, 60:
=