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