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
- A question from Blake
- Walking and talking
- Respecting each other
- Balloons!
- Social media and influencers
- A reading from Elizabeth
- Questions from schools
- Sue's presentation
- The Undefeated
- Studio questions

















