32 - 19 = 13. Unlucky for some?

# Number Sequences (Very Easy)

The numbers in a sequence are called 'terms'. In the sequence 3, 9, 27, 81, ... each number in the sequence can be got from the previous term by multiplying by 3. In this case, the rule is: multiply by 3. In 2, 4, 6, 8, ... '2' is the first term and '6' is the third term. See how you do with these simple sequences.

We have four 11-plus Maths quizzes on number sequences and this is the easiest. It might be wise to play them in order, starting with this and working your way up through Easy, Medium and Difficult. See if you can get all ten questions correct before moving onto the next quiz. Once you've played all four quizzes and got all 40 questions correct, you'll be maths genius!

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1. Find the missing term.
14, 21, 28, X, ...
The next term is got from the previous term by adding 7, e.g. 14 + 7 = 21 and so on
2. Find the missing term.
1, 3, 5, 7, X, ...
The next term is got from the previous term by adding 2, e.g. 5 + 2 = 7 and so on
3. Find the missing term.
X, 32, 51, 70, 89, ...
The next term is got from the previous term by adding 19, e.g. 51 + 19 = 70 and so on
4. Find the missing term.
-6, -9, -12, X, ...
The next term is got from the previous term by subtracting 3, e.g. -6 - 3 = -9 and so on
5. Find the missing term.
1, 3, 9, X, 81, ...
The next term is got from the previous term by multiplying it with 3, e.g. 9 × 3 = 27 and so on
6. Find the missing term.
7, 2, -3, -8, X, ...
The next term is got from the previous term by subtracting 5, e.g. 2 - 5 = -3 and so on
7. Find the missing term.
9, 18, 36, X, ...
The next term is got from the previous term by multiplying by 2, e.g. 18 × 2 = 36 and so on
8. Find the missing term.
..., 15, 20, 25, X, ...
The next term is got from the previous term by adding 5, e.g. 15 + 5 = 20 and so on
9. Find the missing term.
2, 4, 6, 8, X, ...
The next term is got from the previous term by adding 2, e.g. 6 + 2 = 8 and so on
10. Find the missing term.
4, 8, 12, 16, X, ...
The next term is got from the previous term by adding 4, e.g. 12 + 4 = 16 and so on

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