Quarto Hachette Math in 30 Seconds
Hachette Math in 30 Seconds What is math? Why do we need it? Can birds count? What is the biggest number? Math in 30 Seconds answers these and other questions across 30 awesome topics.Each topic is presented in a concise, 30-second summary, supported by a 3-second flash soundbite, and full-color artwork. Fun, active...