Spend just 10 minutes a day learning and master your maths skills. Set the clock and off you go! Young learners excel in short bursts so 10 Minutes a Day Problem Solving KS2 Ages 9-11 from Carol Vorderman is the perfect maths workbook for children. Games and tests take a short amount of time so you get maximum fun for maximum effect. There are 10 minute activities on negative amounts ratio problems and a mind-over-maths challenge! Plus the parents’ notes section gives the answers explains common pitfalls and gives guidance on how to avoid them. 10 Minutes a day workbooks are the perfect at home reinforcement for subjects learned in school and support the new National Curriculum. So set the funky orange timer to test your child in fun ‘beat the clock’ exercises – and let 10 Minutes a Day Problem Solving KS2 Ages 9-11 with Carol Vorderman show your child how much fun maths can be. Toy Safety Information. Not suitable for children under 9 years of age.