fact-family/add-sub-within-20/hard · Set 20
6 problems
Namn:
Klass:
Datum:
1
Write the fact family for 11, 5, 55:
=
2
Write the fact family for 7, 4, 28:
=
3
Write the fact family for 6, 9, 54:
=
4
Write the fact family for 12, 8, 20:
=
5
Write the fact family for 11, 1, 12:
=
6
Write the fact family for 9, 7, 16:
=