1
Fill in: 2, 4, 6, 8, 10, __ =
2
Fill in: 5, 10, 15, 20, 25, __ =
3
4, 14, 24, 34. What is the rule? =
4
57, 47, 37, 27. What is the rule? =
5
What comes next: 85, 80, 75, 70, __ =
6
What comes next: 5, 15, 25, 35, __ =
7
52, 50, 48, 46. What is the rule? =
8
What comes next: 3, 8, 13, 18, __ =
9
What comes next: 16, 21, 26, 31, __ =
10
4, 6, 8, 10. What is the rule? =
11
Fill in: 10, 20, 30, 40, 50, __ =
12
What comes next: 80, 75, 70, 65, __ =
13
Fill in: 5, 10, 15, 20, 25, __ =
14
Fill in: 4, 6, 8, 10, 12, __ =
15
What comes next: 38, 36, 34, 32, __ =
16
What comes next: 110, 100, 90, 80, __ =
17
47, 45, 43, 41. What is the rule? =
18
Fill in: 20, 30, 40, 50, 60, __ =
19
6, 16, 26, 36. What is the rule? =
20
Fill in: 15, 20, 25, 30, 35, __ =