1
7, 18, 29, 40. What is the rule? =
2
Fill in the blanks: 9, __, 33, 45, __ =
3
Fill in: 8, 16, 24, 32, 40, __ =
4
What comes next: 126, 135, 144, 153, __ =
5
3, 14, 25, 36. What is the rule? =
6
10, 18, 26, 34. What is the rule? =
7
Fill in: 21, 28, 35, 42, 49, __ =
8
Fill in: 21, 28, 35, 42, 49, __ =
9
93, 85, 77, 69. What is the rule? =
10
Fill in the blanks: 9, __, 23, 30, __ =
11
Fill in: 24, 36, 48, 60, 72, __ =
12
Fill in: 18, 27, 36, 45, 54, __ =
13
What comes next: 192, 180, 168, 156, __ =
14
40, 29, 18, 7. What is the rule? =
15
What comes next: 143, 154, 165, 176, __ =
16
Fill in: 7, 14, 21, 28, 35, __ =
17
3, 10, 17, 24. What is the rule? =
18
What comes next: 171, 180, 189, 198, __ =
19
Fill in: 8, 16, 24, 32, 40, __ =
20
What comes next: 121, 110, 99, 88, __ =