1
Fill in: 20, 30, 40, 50, 60, __ =
2
63, 58, 53, 48. What is the rule? =
3
What comes next: 90, 80, 70, 60, __ =
4
What comes next: 36, 34, 32, 30, __ =
5
85, 75, 65, 55. What is the rule? =
6
51, 49, 47, 45. What is the rule? =
7
90, 80, 70, 60. What is the rule? =
8
What comes next: 5, 10, 15, 20, __ =
9
8, 13, 18, 23. What is the rule? =
10
What comes next: 160, 150, 140, 130, __ =
11
32, 22, 12, 2. What is the rule? =
12
2, 4, 6, 8. What is the rule? =
13
6, 11, 16, 21. What is the rule? =
14
Fill in: 0, 5, 10, 15, 20, __ =
15
53, 43, 33, 23. What is the rule? =
16
49, 44, 39, 34. What is the rule? =
17
What comes next: 150, 140, 130, 120, __ =
18
What comes next: 55, 50, 45, 40, __ =
19
Fill in: 10, 20, 30, 40, 50, __ =
20
7, 9, 11, 13. What is the rule? =