2
Circle all even numbers: 3, 10, 2, 1, 8 =
5
Circle all odd numbers: 7, 5, 4, 5, 10 =
6
Circle all even numbers: 2, 7, 5, 9, 7 =
7
Circle all even numbers: 2, 5, 7, 8, 6 =
10
Circle all even numbers: 10, 6, 9, 7, 7 =
11
Circle all odd numbers: 9, 6, 6, 7, 6 =
12
Circle all odd numbers: 1, 9, 1, 9, 4 =
13
Circle all odd numbers: 3, 7, 7, 8, 1 =
14
Circle all even numbers: 6, 10, 4, 1, 9 =
15
Circle all even numbers: 10, 7, 4, 8, 8 =
16
Circle all odd numbers: 1, 3, 5, 2, 8 =
17
Circle all odd numbers: 9, 2, 4, 10, 1 =
18
Circle all odd numbers: 6, 6, 2, 3, 8 =