1
10, 15, 20, 25. What is the rule? =
2
1, 3, 5, 7. What is the rule? =
3
97, 95, 93, 91. What is the rule? =
4
What comes next: 180, 170, 160, 150, __ =
5
What comes next: 150, 140, 130, 120, __ =
6
Fill in: 20, 30, 40, 50, 60, __ =
7
10, 20, 30, 40. What is the rule? =
8
Fill in: 10, 15, 20, 25, 30, __ =
9
97, 95, 93, 91. What is the rule? =
10
Fill in: 6, 8, 10, 12, 14, __ =
11
What comes next: 60, 55, 50, 45, __ =
12
What comes next: 90, 80, 70, 60, __ =
13
What comes next: 6, 8, 10, 12, __ =
14
Fill in: 5, 10, 15, 20, 25, __ =
15
What comes next: 110, 100, 90, 80, __ =
16
What comes next: 6, 8, 10, 12, __ =
17
82, 72, 62, 52. What is the rule? =
18
What comes next: 45, 40, 35, 30, __ =
19
2, 7, 12, 17. What is the rule? =
20
What comes next: 1, 11, 21, 31, __ =