Which number is even?
12
What's the missing number?
7
What's the missing number?
8
What's the missing number?
7
What's the missing number?
12
What's the missing number?
25
Which number is odd?
3
What's the missing number?
21
What's the missing number?
18
What's the missing number?
12
Which number is odd?
9
Which number is even?
6