Audio & Video
Beat the Calculator
Kjartan Poskitt proves what looks complicated can be simple.
- Beat the Calculator
- 1089
- Perfect pentagon
- Fabulous flexagon
- Making Cubes
- Prime number pizza
- Numerical masterclass
- Q&A with Kjartan Poskitt
- Questions from schools
- Favourite characters and Matthew Henson
- Reading from Grimwood: Attack of the Stink Monster
- This is a democracy
- Enthusiasm for Scots and Gaelic
- Ideas for books
- More questions
- Book Introduction
- Kiran’s writing process
- UK schools vs American schools

















