fact-family/add-sub-within-20/easy · סט 42
5 problems
שם:
כיתה:
תאריך:
1
Write the fact family for 10, 8, 18:
=
2
Write the fact family for 19, 1, 20:
=
3
Write the fact family for 1, 9, 10:
=
4
Write the fact family for 2, 14, 16:
=
5
Write the fact family for 4, 8, 12:
=