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