22 questions
20 - 5 =
14
15
16
17
12 + ? = 20
6
7
8
9
20 - 14 =
5
6
7
8
13 plus ? = 20
5
6
7
8
9 + 11 =
19
20
21
22
2 + ? = 20
16
17
18
19
20 - 5 =
13
14
15
16
16 + ? = 20
2
3
4
5
20 - 11 =
6
7
8
9
7 + ? = 20
13
14
15
16
20 - 6 =
12
13
14
15
3 + ? = 20
14
15
16
17
20 - 4 =
13
14
15
16
5 + ? = 20
13
14
15
16
19 + ? = 20
1
2
3
4
20 - 18 =
1
2
3
4
6 + 6 =
11
12
13
14
7 + 7 =
12
13
14
15
8 + 8 =
13
14
15
16
9 + 9 =
16
17
18
19
I have 1 dozen eggs. I use 6. How many eggs do I have left?
5
6
7
8
6 eggs plus 6 eggs = ? eggs
10
11
12
13