03:30Maths ChallengeMaths Challenge 28. Multiplying with zeroesSchool Radio Duration: 15 minutes Thu 16th Mar 2017, 03:30 on School RadioAvailable for over a yearListen nowRalph van Dijk returns with a quiz with questions about multiplying with zeroes.GenresLearningPrimaryBrandMaths ChallengeSeriesMaths Challenge: Maths Challenge 2 Source: BBC Online