Maths in 30 Seconds

Anne Rooney

30 marvellous maths topics for enquiring mini minds. What is maths? Why do we need it? Can birds count? What is the biggest number conceivable? Maths in 30 Seconds answers these and other questions in 30 awesome topics. Each topic is presented in a concise 30-second summary, supported by a 3-second flas...