1
4, 15, 48, 147. What is the rule? =
2
10, 25, 40, 55. What is the rule? =
3
What comes next: 120, 140, 160, 180, __ =
4
What comes next in the growing pattern: 1, 3, 6, 10, __ =
5
5, 25, 45, 65. What is the rule? =
6
What comes next: 143, 130, 117, 104, __ =
7
Fill in the blanks: 7, __, __, 46, 59 =
8
Fill in the blanks: 5, 18, 31, __, __ =
9
5, 16, 49, 148. What is the rule? =
10
66, 53, 40, 27. What is the rule? =
11
9, 22, 35, 48. What is the rule? =
12
51, 38, 25, 12. What is the rule? =
13
91, 71, 51, 31. What is the rule? =
14
What comes next: 380, 400, 420, 440, __ =
15
What comes next: 225, 250, 275, 300, __ =
16
What comes next: 104, 117, 130, 143, __ =
17
Fill in the blanks: 3, __, __, 78, 103 =
18
What comes next: 380, 360, 340, 320, __ =
19
Fill in the blanks: 9, __, 49, __, 89 =
20
What comes next: 255, 240, 225, 210, __ =