03:30Maths ChallengeMaths Challenge 1MultiplicationSchool Radio Duration: 15 minutes Fri 26th Sep 2014, 03:30 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 Multiplication.GenresLearningPrimaryBrandMaths ChallengeSeriesMaths Challenge: Maths Challenge 1 Source: BBC Online