When Adam wakes up in a dark tunnel with no memory of who he is, he finds himself trapped on the strange and puzzling Planet Numberth. Armed with only a mysterious calculator, he must solve a series of mathematical challenges against the likes of The Oddtopus, Mr. Bonds and The Multiguys. But Adam isn’t alone. The musical Number Crunchers and a friend, Millie, are there to help as he attempts to complete the challenges and get back to his home planet. Can Adam unlock the power of mathematics before it’s too late? Or will he be trapped in Numberth forever?

Universal Maths is about teaching where everyone understands. In Vol.1 of this practical resource, Sam explains how different visual models can be used for working with numbers to 20. All teaching models in this book can be found on the Teaching Models page.

Explorers on Numberth is a series of short stories about Numbex, Geo, Statics and Algie - four explorers who have travelled to Numberth to learn about the secrets of Mathematics. In Episode 1, Numbex must complete the dice challenge in order to pass through the golden arch and enter Numberth. This story is also available on Youtube.