fact-family/add-sub-within-20/expert · Set 78
6 problems
Naam:
Klas:
Datum:
1
Write the fact family for 5, 2, 10:
=
2
Write the fact family for 18, 1, 19:
=
3
Write the fact family for 18, 2, 20:
=
4
Write the fact family for 5, 8, 40:
=
5
Write the fact family for 12, 3, 15:
=
6
Write the fact family for 5, 11, 16:
=