1
Fill in: 15, 20, 25, 30, 35, __ =
2
Fill in: 2, 4, 6, 8, 10, __ =
3
What comes next: 150, 140, 130, 120, __ =
4
Fill in: 15, 20, 25, 30, 35, __ =
5
Fill in: 0, 10, 20, 30, 40, __ =
6
32, 27, 22, 17. What is the rule? =
7
48, 43, 38, 33. What is the rule? =
8
What comes next: 6, 11, 16, 21, __ =
9
What comes next: 130, 120, 110, 100, __ =
10
Fill in: 20, 30, 40, 50, 60, __ =
11
49, 44, 39, 34. What is the rule? =
12
10, 12, 14, 16. What is the rule? =
13
What comes next: 10, 15, 20, 25, __ =
14
85, 75, 65, 55. What is the rule? =
15
What comes next: 12, 14, 16, 18, __ =
16
35, 33, 31, 29. What is the rule? =
17
8, 18, 28, 38. What is the rule? =
18
Fill in: 20, 30, 40, 50, 60, __ =
19
What comes next: 75, 70, 65, 60, __ =
20
3, 8, 13, 18. What is the rule? =