1
What comes next: 54, 51, 48, 45, __ =
2
67, 61, 55, 49. What is the rule? =
3
99, 96, 93, 90. What is the rule? =
4
What comes next: 30, 27, 24, 21, __ =
5
Fill in: 6, 12, 18, 24, 30, __ =
6
Fill in: 12, 16, 20, 24, 28, __ =
7
9, 15, 21, 27. What is the rule? =
8
What comes next: 28, 32, 36, 40, __ =
9
64, 60, 56, 52. What is the rule? =
10
9, 15, 21, 27. What is the rule? =
11
65, 61, 57, 53. What is the rule? =
12
Fill in: 18, 24, 30, 36, 42, __ =
13
92, 88, 84, 80. What is the rule? =
14
What comes next: 16, 20, 24, 28, __ =
15
6, 10, 14, 18. What is the rule? =
16
Fill in: 18, 24, 30, 36, 42, __ =
17
6, 10, 14, 18. What is the rule? =
18
What comes next: 33, 30, 27, 24, __ =
19
81, 77, 73, 69. What is the rule? =
20
What comes next: 72, 66, 60, 54, __ =