1
Fill in: 3, 6, 9, 12, 15, __ =
2
8, 14, 20, 26. What is the rule? =
3
5, 11, 17, 23. What is the rule? =
4
Fill in: 12, 16, 20, 24, 28, __ =
5
Fill in: 0, 3, 6, 9, 12, __ =
6
What comes next: 36, 32, 28, 24, __ =
7
Fill in: 12, 18, 24, 30, 36, __ =
8
Fill in: 12, 16, 20, 24, 28, __ =
9
30, 27, 24, 21. What is the rule? =
10
4, 10, 16, 22. What is the rule? =
11
9, 13, 17, 21. What is the rule? =
12
31, 28, 25, 22. What is the rule? =
13
Fill in: 6, 12, 18, 24, 30, __ =
14
61, 57, 53, 49. What is the rule? =
15
What comes next: 72, 78, 84, 90, __ =
16
Fill in: 3, 6, 9, 12, 15, __ =
17
Fill in: 6, 12, 18, 24, 30, __ =
18
What comes next: 66, 60, 54, 48, __ =
19
33, 27, 21, 15. What is the rule? =
20
Fill in: 18, 24, 30, 36, 42, __ =