Audio & Video
- Making Cubes
- Beat the Calculator
- 1089
- Perfect pentagon
- Fabulous flexagon
- Prime number pizza
- Numerical masterclass
- Q&A with Kjartan Poskitt
- Ideas and inspirational teachers
- Down Behind The Dustbin
- Questions from schools
- Introducing Cookie
- Schools questions
- The origins of 'Lads'
- How does Ross feel about writing and completing books?
- Inspirations and Escaped Terrapin
- Ideas for books
- UK schools vs American schools

















