fact-family/add-sub-within-20/expert · סט 85
6 problems
שם:
כיתה:
תאריך:
1
Write the fact family for 1, 3, 4:
=
2
Write the fact family for 2, 10, 20:
=
3
Write the fact family for 10, 4, 40:
=
4
Write the fact family for 2, 2, 4:
=
5
Write the fact family for 5, 9, 45:
=
6
Write the fact family for 9, 9, 81:
=