One Sided Paper explores the strange Mobius strips that you can cut in half, yet they stay together! The Pennies that Reach the Sun starts with a chess board with one penny (or cent) on the first square. The next square has two, then four, then eight… and by square 48 the pile has passed the sun, and it still hasn’t stopped growing! The Six Card trick looks like a simple puzzle – but can you put the cards in the right order?

For more on MathsWeekTV: https://www.mathsweek.ie/2023/mathsweektv-primary/