Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root. Check your understanding of the process with this National 5 Maths quiz.

The questions in this quiz are suitable for GCSE maths students studying simplifying surds, adding and subtracting surds, multiplying and dividing surds, multiplying out brackets including surds and ...

What are you like at multiplications? Chances are if you're a mere mortal 2, 5s and 10s won't seem too taxing. But when it comes to figuring out what 42x21 is, you may wish somebody had shown you the ...