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
- Ideas
- More questions
- Truth and Lies
- Steven Lenton's illustrations
- Questions from schools
- Questions from schools
- A first science fiction novel
- Gill reads from Willow Wildthing and the Dragon's Egg
- Twitch reading
- Cookie’s Brain Busting Quiz

















