1
7, 9, 11, 13. What is the rule? =
2
6, 8, 10, 12. What is the rule? =
3
7, 12, 17, 22. What is the rule? =
4
What comes next: 90, 85, 80, 75, __ =
5
What comes next: 9, 19, 29, 39, __ =
6
9, 11, 13, 15. What is the rule? =
7
7, 12, 17, 22. What is the rule? =
8
Fill in: 10, 20, 30, 40, 50, __ =
9
4, 6, 8, 10. What is the rule? =
10
What comes next: 160, 150, 140, 130, __ =
11
Fill in: 5, 10, 15, 20, 25, __ =
12
What comes next: 65, 60, 55, 50, __ =
13
3, 5, 7, 9. What is the rule? =
14
3, 13, 23, 33. What is the rule? =
15
What comes next: 150, 140, 130, 120, __ =
16
What comes next: 4, 9, 14, 19, __ =
17
Fill in: 0, 10, 20, 30, 40, __ =
18
What comes next: 22, 20, 18, 16, __ =
19
39, 29, 19, 9. What is the rule? =
20
6, 8, 10, 12. What is the rule? =