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Maths Keywords GCSE F - N
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Terms in this set (49)
Factor
A number that divides another number exactly. E.g. 4 is a factor of 12.
Factorise
To put an expression into brackets by taking out a common factor. For example, 20x + 15y = 5(4x + 3y).
Figures
Another name for numbers. For example one thousand and fifty in figures is 1050.
Finite
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Formula
An equation used to describe a relationship between two or more variables.
Frequency
How many times something happens. Another word for 'total'.
Frequency density
The frequency divided by the class width.
function
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function machine
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Generate
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Gradient
How steep a line is. Found by dividing the distance up by the distance across.
Gram (g)
A measure of mass. 1 gram = 1000 milligrams. (1 g = 1000 mg)
Graph
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HCF
Stands for 'highest common factor'. It is the largest factor common to a set of numbers. E.g. The HCF of 16 and 24 is 8.
Heptagon
A seven sided polygon.
Hexagon
A six sided polygon.
Histogram
A diagram drawn with rectangles where the area is proportional to the frequency and the width is equal to the class interval.
Hypotenuse
The longest side on a right angled triangle.
Increase
To make an amount larger.
infinite
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Indices
Another name for powers such as ² or ³.
input
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Integer
A whole number.
Inter-quartile range (IQR)
The difference between the upper and lower quartile.
investigate
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Irrational
A decimal which is never ending. It must also not be a recurring decimal.
Justify
Another word for 'explain'. Often crops up on your maths exam. E.g. 'Calculate the mean and range for each player. Who is the better player Justify your answer.'
Kilogram (Kg)
A measure of mass. 1 kilogram = 1000 grams. (1 kg = 1000 g)
Kilometre (Km)
A measure of distance. 1 kilometre = 1000 metres. (1 km = 1000 m)
LCM
Stands for 'lowest common multiple'. It is the smallest multiple common to a set of numbers. E.g. The LCM of 3 and 4 is 12.
Litre (l)
A measure of volume. 1 litre = 100 centilitres (1 l = 100 cl). 1 litre = 1000 millilitres (1l = 1000 ml).
Loci
The plural of locus.
Locus
A collection of points which are the same distance from another point or line.
Lower range The smallest value in a set of data.
Mean
A type of average found by adding up a list of numbers and dividing by how many numbers are in the list.
method
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Median
The middle value when a list of numbers is put in order from smallest to largest. A type of average.
Metre (m)
A measure of distance. 1 metre = 100 centimetres. (1 m = 1000 cm).
Millilitre (ml)
A measure of volume. 10 millimetres = 1 centilitre (10 ml = 1 cl). 1000 millilitres = 1 litre (1000 ml = 1 l).
Millimetre (mm)
A measure of distance. 10 millimetres = 1 centimetre. (10 mm = 1 cm).
Modal
Another term for mode
Mode
The most common value in a list of numbers. If two values are tied then there is two modes. If more than two values are tied then there is no mode. A type of average.
Month
A time period of either 28, 30 or 31 days. There are 12 months in a year.
mapping
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Multiple
A number which is part of another number's times table. E.g. 35 is a multiple of 5.
Natural number
A positive integer
Negative
A value less than zero
Nonagon
A nine sided polygon.
Numerator
The top part of a fraction.
nth term
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