fact-family/add-sub-within-20/easy · مجموعة 77
6 problems
الاسم:
الصف:
التاريخ:
1
Write the fact family for 15, 1, 16:
=
2
Write the fact family for 9, 8, 17:
=
3
Write the fact family for 10, 7, 17:
=
4
Write the fact family for 9, 10, 19:
=
5
Write the fact family for 18, 1, 19:
=
6
Write the fact family for 19, 1, 20:
=