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11 Plus (11+) Maths Practice Test: Number Sequences (Difficult)
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Avg score: 88% • Most missed: “Find the missing term. | -17, -11, -5, X, ...”

There are two ways to solve these types of problems.

The first is to attempt to find the rule for the nth term.

The second is to try to work out how the series of numbers is progressing.

For example, look at this sequence:  4, 5, 6, 7 …

These numbers are increasing by one each time. The rule for the nth term here is n + 1. 

 

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11 Plus (11+) Maths Practice Test: Number Sequences (Very Easy)

11 Plus (11+) Maths Practice Test: Number Sequences (Easy)

11 Plus (11+) Maths Practice Test: Number Sequences (Medium) - Using The nth Term

11 Plus (11+) Maths Practice Test: Number Sequences (Difficult)
Time left 00:00
25 Questions

1. Find the missing term.
5.5, 6, X, 7, …
2. Find the missing term.
10, 100, 1,000, X, ...
3. Find the missing term.
39, 52, 65, X, ...
4. Which sequence can be formed from the given rule for the nth term?
nth term = -n + 20
5. What is the rule for the nth term in the following sequence?
8, 12, 16, 20, …
6. Find the missing term.
-2, 2, 6, 10, X, ...
7. Find the missing term.
1, 1, 2, 3, 5, 8, X, ...
8. Find the missing term.
22, 8, X, -20, ...
9. Find the missing term.
88, X , 122, 139, …
10. What is the rule for the nth term in the following sequence?
27, 26, 25, 24, …
11. Which sequence can be formed from the given rule for the nth term?
nth term = 4n - 17
12. What is the rule for the nth term in the following sequence?
-1, -2, -3, -4, …
13. Find the missing term.
-84, -42, -21, X, ...
14. Find the missing term.
3, 7, 11, X, ...
15. Find the missing term.
-10, -7, -4, X, ...
16. Find the missing term.
0.2, 2.4, 28.8, X, ...
17. Find the missing term.
1,000, 250, X, 15.625 ...
18. Find the missing term.
-2, 2, 6, X, ...
19. Find the missing term.
0.5, 2, 4.5, X, 12.5, 18, …
20. Find the missing term.
79, 95, X, 127, ...
21. Find the missing term.
1, 8, 27, X, ...
22. Find the missing term.
-4, 3, 10, X, ...
23. Find the missing term.
-22, -26.5, X, -35.5, …
24. Find the missing term.
-17, -11, -5, X, ...
25. Find the missing term.
1, 1.2, 1.44, X, ...

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