1
Fill in the blanks: 5, 13, __, __, 37 =
2
Fill in the blanks: 2, 10, 18, __, __ =
3
Fill in the blanks: 1, 10, __, 28, __ =
4
What comes next: 228, 240, 252, 264, __ =
5
Fill in the blanks: 7, __, 21, 28, __ =
6
Fill in: 33, 44, 55, 66, 77, __ =
7
Fill in: 0, 9, 18, 27, 36, __ =
8
Fill in the blanks: 1, 10, 19, __, __ =
9
Fill in: 11, 22, 33, 44, 55, __ =
10
Fill in: 18, 27, 36, 45, 54, __ =
11
10, 21, 32, 43. What is the rule? =
12
Fill in: 8, 16, 24, 32, 40, __ =
13
9, 16, 23, 30. What is the rule? =
14
What comes next: 180, 168, 156, 144, __ =
15
78, 71, 64, 57. What is the rule? =
16
What comes next: 198, 209, 220, 231, __ =
17
2, 9, 16, 23. What is the rule? =
18
Fill in the blanks: 4, __, 26, __, 48 =
19
69, 62, 55, 48. What is the rule? =
20
Fill in: 36, 48, 60, 72, 84, __ =