Addition
What does 3+7=
10
Find the missing number
1, 2, _, 4, 5, 6
3
10-5=
5
What does 7+2=
9
_, 7,8,9,10
6
8-7=
1
What does 2+6=
8
Find the missing number
1, 2, 3, 4, 5, 6, 7, 8, 9, _
10
5-3=
2
What does 1+3=
4
Find the missing number
3, 4, 5, 6, 7, _, 9
8
8-4=
4
6
Find the missing number(s)
_, 1, 2, 3, 4, _, 6, 7
0 & 5
15-8=
7