fact-family/add-sub-within-20/easy · סט 75
6 problems
שם:
כיתה:
תאריך:
1
Write the fact family for 17, 1, 18:
=
2
Write the fact family for 18, 2, 20:
=
3
Write the fact family for 10, 5, 15:
=
4
Write the fact family for 2, 18, 20:
=
5
Write the fact family for 12, 1, 13:
=
6
Write the fact family for 9, 7, 16:
=