The numbers 1, 3 and 5 on a purple background
If a number sequence was 1, 3, 5 then the rule would be 'Add 2'.

Number Sequences 2 (Very Easy)

This is the second of our very easy Eleven Plus maths quizzes on Number Sequences. If you have played the first, then you’ll know how to find the next number in a series. It’s all down to finding the rule: are we adding, taking away, multiplying or dividing? Once you’ve identified this, the next step is to find out by how much (e.g. subtracting 4 or 10 or whatever number).

You may need to try a lot of possibilities before you find the rule. As with so many things in maths, trial and error is often the best solution.

So, get your fingers and brain ready, and have a go at this quiz. If you find you are struggling, keep playing it again and again until you get every answer correct. Practice makes perfect after all.

Good luck!

1.
Find the missing term.
14, 22, 30, 38, X, ...
42
44
46
48
The next term is got from the previous term by adding 8, e.g. 14 + 8 = 22 and so on
2.
Find the missing term.
2, 8, 32, X, 512, ...
64
128
256
96
The next term is got from the previous term by multiplying it with 4, e.g. 2 × 4 = 8 and so on
3.
Find the missing term.
17, 6, -5, -16, X, ...
-34
-27
-24
-21
The next term is got from the previous term by subtracting 11, e.g. 17 - 11 = 6 and so on
4.
Find the missing term.
X, 55, 76, 97, 118, ...
139
137
34
32
The next term is got from the previous term by adding 21, e.g. 55 + 21 = 76 and so on.
Notice that the number we are after comes at the start of the sequence
5.
Find the missing term.
42, 51, 60, 69, X, ...
78
79
80
81
The next term is got from the previous term by adding 9, e.g. 42 + 9 = 51 and so on
6.
Find the missing term.
31, 34, 37, X, ...
42
39
41
40
The next term is got from the previous term by adding 3, e.g. 31 + 3 = 34 and so on
7.
Find the missing term.
1, 5, 25, X, ...
50
75
100
125
The next term is got from the previous term by multiplying by 5, e.g. 1 × 5 = 5 and so on
8.
Find the missing term.
2, 15, 28, 41, X, ...
46
48
52
54
The next term is got from the previous term by adding 13, e.g. 2 + 13 = 15 and so on
9.
Find the missing term.
48, 41, 34, X, ...
28
27
26
25
The next term is got from the previous term by subtracting 7, e.g. 48 - 7 = 41 and so on
10.
Find the missing term.
..., 23, 29, 35, X, ...
41
42
43
44
The next term is got from the previous term by adding 6, e.g. 23 + 6 = 29 and so on
Author:  Frank Evans

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