1
Fill in: 6, 9, 12, 15, 18, __ =
2
3, 6, 9, 12. What is the rule? =
3
39, 35, 31, 27. What is the rule? =
4
36, 33, 30, 27. What is the rule? =
5
Fill in: 12, 16, 20, 24, 28, __ =
6
71, 67, 63, 59. What is the rule? =
7
Fill in: 12, 16, 20, 24, 28, __ =
8
What comes next: 51, 48, 45, 42, __ =
9
What comes next: 28, 32, 36, 40, __ =
10
Fill in: 3, 6, 9, 12, 15, __ =
11
4, 8, 12, 16. What is the rule? =
12
What comes next: 60, 63, 66, 69, __ =
13
What comes next: 64, 68, 72, 76, __ =
14
Fill in: 6, 12, 18, 24, 30, __ =
15
What comes next: 68, 72, 76, 80, __ =
16
Fill in: 0, 6, 12, 18, 24, __ =
17
Fill in: 12, 18, 24, 30, 36, __ =
18
5, 8, 11, 14. What is the rule? =
19
Fill in: 6, 12, 18, 24, 30, __ =
20
Fill in: 0, 6, 12, 18, 24, __ =