KAYLA: Let’s build the new hover train system from the city to the beach. ZACH: Yeah, they are 20 kilometres apart. KAYLA: Great, so we can make the tracks 20 miles long.Ta-da!Oh, what?That looks way ...

Chris Johnson and Mrs Vee from Bitesize Daily are on board the Live Lessons space ship as they fly through this maths lesson. They round numbers to the nearest 10, 100 and 1000, and add two and ...

Kan Wei does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...