fact-family/add-sub-within-20-write-all · סט 89
4 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 18, 1, 19:
=
4
Write the fact family for 5, 4, 9:
=