The questions in this quiz are suitable for GCSE maths students studying approximation, rounding to decimal places, rounding to significant figures, truncation, estimating calculations, limits of ...

There's nothing quite like putting yourself to the test - whether it's a quiz on the television or a quiz night down your local pub - seeing if you can outsmart the quizmaster is hard to resist. But ...

Cross-check answers using reverse calculations. Use approximation to quickly estimate answers in MCQs. Memorise square roots, cube roots, and multiplication tables for quicker calculations. Example: ...