1
45, 37, 29, 21. What is the rule? =
2
Fill in: 27, 36, 45, 54, 63, __ =
3
What comes next: 44, 55, 66, 77, __ =
4
Fill in: 36, 48, 60, 72, 84, __ =
5
Fill in the blanks: 4, __, 28, __, 52 =
6
What comes next: 96, 104, 112, 120, __ =
7
Fill in: 18, 27, 36, 45, 54, __ =
8
91, 82, 73, 64. What is the rule? =
9
What comes next: 154, 165, 176, 187, __ =
10
9, 16, 23, 30. What is the rule? =
11
Fill in the blanks: 4, 11, __, 25, __ =
12
Fill in: 0, 11, 22, 33, 44, __ =
13
Fill in: 0, 7, 14, 21, 28, __ =
14
Fill in the blanks: 4, 12, __, __, 36 =
15
What comes next: 66, 77, 88, 99, __ =
16
4, 11, 18, 25. What is the rule? =
17
Fill in: 11, 22, 33, 44, 55, __ =
18
Fill in: 0, 12, 24, 36, 48, __ =
19
Fill in: 21, 28, 35, 42, 49, __ =
20
Fill in: 14, 21, 28, 35, 42, __ =