That Blue Square Thing

AQA Computer Science GCSE

Programming Concepts – Mathematical Operators

Basic mathematical operators are addition (+), subtraction (-), multiplication (*) and division (/). BIDMAS rules apply when you're using these, so take care, especially when dealing with multiplication and division.

PDF iconBasic Mathematical Operators – notes from class

You then need to add in MOD and DIV – two specialist forms of division.

PDF iconAll Mathematical Operators – a summary with DIV and MOD added

Some exam style questions dealing with operators and trace tables. It would be a good idea to code these questions in Python as well.

PDF iconQuestion 0 – a simple introduction

PDF iconQuestion 1 – not so bad

PDF iconQuestion 2 – a bit trickier (particularly the last part)

PDF iconQuestion 3 – multiplication

PDF iconQuestion 4 – division