1
99, 88, 77, 66. What is the rule? =
2
Fill in: 7, 14, 21, 28, 35, __ =
3
6, 18, 30, 42. What is the rule? =
4
7, 18, 29, 40. What is the rule? =
5
Fill in the blanks: 9, __, 23, 30, __ =
6
98, 90, 82, 74. What is the rule? =
7
What comes next: 143, 154, 165, 176, __ =
8
Fill in: 9, 18, 27, 36, 45, __ =
9
What comes next: 8, 16, 24, 32, __ =
10
Fill in: 18, 27, 36, 45, 54, __ =
11
Fill in the blanks: 5, 12, 19, __, __ =
12
Fill in: 16, 24, 32, 40, 48, __ =
13
Fill in the blanks: 6, __, __, 42, 54 =
14
What comes next: 24, 32, 40, 48, __ =
15
3, 11, 19, 27. What is the rule? =
16
Fill in: 18, 27, 36, 45, 54, __ =
17
Fill in the blanks: 1, __, __, 22, 29 =
18
What comes next: 104, 96, 88, 80, __ =
19
Fill in the blanks: 10, __, __, 37, 46 =
20
Fill in: 24, 32, 40, 48, 56, __ =