fact-family/add-sub-within-20/hard · סט 15
6 problems
שם:
כיתה:
תאריך:
1
Write the fact family for 3, 5, 15:
=
2
Write the fact family for 6, 9, 15:
=
3
Write the fact family for 14, 6, 20:
=
4
Write the fact family for 12, 2, 24:
=
5
Write the fact family for 17, 2, 19:
=
6
Write the fact family for 9, 11, 99:
=