10 questions
ADDING: 8+2=
15
10
11
7
ADDING: 5+6=
0
15
11
8
ADDING: 1+4=
6
5
8
7
ADDING: 4+5=
2
3
8
9
ADDING: 6+6=
11
12
5
9
SUBTRACTION: 5-5=
2
3
0
1
SUBTRACTION: 8-5=
3
5
8
2
SUBTRACTION: 5-4=
0
1
5
4
SUBTRACTION: 9-3=
4
1
6
3
SUBTRACTION: 10-2=
9
5
8
2