1
61, 52, 43, 34. What is the rule? =
2
96, 87, 78, 69. What is the rule? =
3
Fill in: 11, 22, 33, 44, 55, __ =
4
79, 71, 63, 55. What is the rule? =
5
72, 61, 50, 39. What is the rule? =
6
Fill in the blanks: 9, 20, __, 42, __ =
7
Fill in the blanks: 10, __, __, 34, 42 =
8
Fill in the blanks: 3, 10, 17, __, __ =
9
What comes next: 187, 176, 165, 154, __ =
10
What comes next: 18, 27, 36, 45, __ =
11
What comes next: 120, 112, 104, 96, __ =
12
Fill in the blanks: 9, __, __, 42, 53 =
13
What comes next: 36, 48, 60, 72, __ =
14
What comes next: 21, 28, 35, 42, __ =
15
Fill in the blanks: 4, 16, __, __, 52 =
16
What comes next: 154, 143, 132, 121, __ =
17
Fill in the blanks: 1, 8, __, 22, __ =
18
89, 82, 75, 68. What is the rule? =
19
100, 93, 86, 79. What is the rule? =
20
What comes next: 176, 165, 154, 143, __ =