1
Fill in: 27, 36, 45, 54, 63, __ =
2
Fill in: 7, 14, 21, 28, 35, __ =
3
Fill in: 11, 22, 33, 44, 55, __ =
4
Fill in the blanks: 5, __, 21, __, 37 =
5
What comes next: 154, 143, 132, 121, __ =
6
4, 15, 26, 37. What is the rule? =
7
What comes next: 216, 204, 192, 180, __ =
8
What comes next: 96, 88, 80, 72, __ =
9
8, 19, 30, 41. What is the rule? =
10
What comes next: 165, 154, 143, 132, __ =
11
Fill in: 14, 21, 28, 35, 42, __ =
12
Fill in: 0, 11, 22, 33, 44, __ =
13
40, 29, 18, 7. What is the rule? =
14
Fill in: 7, 14, 21, 28, 35, __ =
15
Fill in the blanks: 6, __, 28, 39, __ =
16
Fill in the blanks: 5, __, __, 32, 41 =
17
Fill in the blanks: 7, __, 23, __, 39 =
18
66, 59, 52, 45. What is the rule? =
19
Fill in the blanks: 7, __, 31, 43, __ =
20
Fill in the blanks: 7, __, __, 28, 35 =