1
9, 24, 39, 54. What is the rule? =
2
Fill in the blanks: 7, 22, __, 52, __ =
3
Fill in the blanks: 9, __, 35, __, 61 =
4
What comes next: 117, 104, 91, 78, __ =
5
5, 17, 53, 161. What is the rule? =
6
What comes next in the growing pattern: 2, 4, 8, 14, __ =
7
4, 12, 28, 60. What is the rule? =
8
Fill in the blanks: 4, 17, __, __, 56 =
9
10, 30, 50, 70. What is the rule? =
10
What comes next: 195, 180, 165, 150, __ =
11
What comes next in the growing pattern: 1, 4, 9, 16, __ =
12
Fill in the blanks: 2, 15, 28, __, __ =
13
What comes next: 13, 26, 39, 52, __ =
14
Fill in the blanks: 1, __, 31, 46, __ =
15
Fill in the blanks: 8, __, 38, 53, __ =
16
What comes next in the growing pattern: 1, 4, 9, 16, __ =
17
Fill in the blanks: 5, __, 45, 65, __ =
18
Fill in the blanks: 2, 22, 42, __, __ =
19
What comes next: 400, 420, 440, 460, __ =
20
Fill in the blanks: 8, __, 34, 47, __ =