Key words for GCSE Maths

decrease 
If you decrease a number, you make it smaller.


decimal 
A decimal is a number that shows tenths and hundredths.


calculate 
If you calculate, it means you are doing a mathematical operation.


figures 
Numbers are also known as figures.


negative 
A negative number is a number that is less than zero.


value 
Value is how much something is worth.


recurring 
Recurring means repeating.


remainder 
A remainder is what's left over after dividing.


exchange 
To exchange is to swap one quantity for another depending on value.


quotient 
A quotient is a result calculated through division.


decomposition 
Decomposition is a way of breaking down numbers in subtraction and a way of writing numbers as a product of their primes.


mental 
If you carry out a sum without a calculator, it's called a mental calculation.


factor 
A factor is a number that divides into another number exactly.


multiple 
Multiples are the values that are a particular number's times table, for example 25 is a multiple of 5.


equivalent 
If two numbers are equivalent, they have the same value.


fraction 
A fraction is a part of a whole number, expressed as a/b. For example, a half is 1/2.


order 
The order is the sequence in which you carry something out.

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