What number is this?
17 seventeen
What number is this?
15, fifteen
What number is this?
12, twelve
What number is this?
20, twenty
What number is this?
19, nineteen
What number is this?
14, fourteen
What number is this?
11, eleven
What number is this?
18, eighteen
What number is this?
13, thirteen
What number is this?
16, sixteen