What number goes next?
16
What number goes before?
7
What number is missing?
24
What number is missing?
5
What number is missing?
13
What number goes after?
20
What number is missing?
4
What number is missing?
25
What number is missing?
16
What number goes after?
13
What number is missing?
22
What nukber is missing?
15
What number goes before ?
17
What number goes before?
25
What number goes before?
20
What number is missing?
18