03:15Maths ChallengeMaths Challenge 1Calculating with large numbersSchool Radio Duration: 15 minutes Thu 21st 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 calculating with large numbers.GenresLearningPrimaryBrandMaths ChallengeSeriesMaths Challenge: Maths Challenge 1 Source: BBC Online
