Author Archive | A*Maths

Mode, Median and Mean

There are three useful measures of average: The Mode is the most common. The Median is found by writing the list in order. For a list of numbers – which we typically have – we write them in order of size from smallest to largest. If the list has an “odd number of numbers” the […]

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Standard Form

A number is expressed in standard form if it is written aswhereis any integer, positive, negative or zero. For example,andandare all written in standard form. We are usually give a number and asked to write it in standard form: Example: Write 342 in standard form Example: Write 0.00045 in standard form Example: Write 3 in […]

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