03:15Maths ChallengeMaths Challenge 1Rounding numbers up and downSchool Radio Duration: 15 minutes Thu 14th Jun 2012, 03:15 on School RadioAvailable for over a yearListen nowRalph van Dijk and side-kick Matrix have more questions to consolidate mental maths skills and the focus today is rounding numbers up and down.GenresLearningPrimaryBrandMaths ChallengeSeriesMaths Challenge: Maths Challenge 1 Source: BBC Online
