" Why not download the 'Math Workout' App? Perfect to keep your brain ticking over the essential mental maths know how when you're on the go, rather than only doing the sudoku in the paper...! more Now after you've completed all these exercises, take the Telegraph's primary school maths test comparison here And the Guardian's GCSE one next here...! See - all that stuff you did at school sometimes does come back to bite you! So keep the mental maths practice fresh! Looking for more tips and advice about ways to improve your skill set? Read more articles like this, or ask the experts! Our team are on hand for help and advice throughout your job search. We also run career workshops for our network from interview or case study preparation, CV sessions and assessment centre advice. Register your interest here, or apply to join the network."