1
2, 9, 30, 93. What is the rule? =
2
1, 4, 13, 40. What is the rule? =
3
10, 25, 40, 55. What is the rule? =
4
Fill in the blanks: 4, __, 30, __, 56 =
5
30, 15, 0, -15. What is the rule? =
6
What comes next: 300, 275, 250, 225, __ =
7
Fill in the blanks: 6, 21, __, __, 66 =
8
2, 6, 14, 30. What is the rule? =
9
2, 9, 23, 51. What is the rule? =
10
What comes next: 200, 220, 240, 260, __ =
11
4, 14, 44, 134. What is the rule? =
12
4, 10, 22, 46. What is the rule? =
13
What comes next in the growing pattern: 1, 3, 6, 10, __ =
14
3, 7, 15, 31. What is the rule? =
15
What comes next: 100, 125, 150, 175, __ =
16
What comes next: 300, 315, 330, 345, __ =
17
What comes next: 104, 117, 130, 143, __ =
18
63, 48, 33, 18. What is the rule? =
19
Fill in the blanks: 1, __, 41, 61, __ =
20
What comes next in the growing pattern: 1, 4, 9, 16, __ =