fact-family/add-sub-within-20-write-all · 套题 18
6 problems
姓名:
班级:
日期:
1
Write the fact family for 13, 2, 15:
=
2
Write the fact family for 16, 1, 17:
=
3
Write the fact family for 9, 5, 14:
=
4
Write the fact family for 16, 2, 18:
=
5
Write the fact family for 7, 12, 19:
=
6
Write the fact family for 10, 4, 14:
=