fact-family/add-sub-within-20/hard · סט 30
6 problems
שם:
כיתה:
תאריך:
1
Write the fact family for 1, 6, 7:
=
2
Write the fact family for 5, 4, 20:
=
3
Write the fact family for 11, 5, 16:
=
4
Write the fact family for 16, 2, 18:
=
5
Write the fact family for 1, 12, 13:
=
6
Write the fact family for 8, 12, 20:
=