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Beat the Calculator
View More From Kjartan Poskitt
Kjartan Poskitt proves what looks complicated can be simple.
  1. Beat the Calculator
    02:54
    Beat the Calculator
  2. 1089
    06:56
    1089
  3. Perfect pentagon
    04:14
    Perfect pentagon
  4. Fabulous flexagon
    02:05
    Fabulous flexagon
  5. Making Cubes
    05:26
    Making Cubes
  6. Prime number pizza
    04:24
    Prime number pizza
  7. Numerical masterclass
    03:20
    Numerical masterclass
  8. Q&A with Kjartan Poskitt
    05:19
    Q&A with Kjartan Poskitt
  9. Sue's presentation
    11:34
    Sue's presentation
  10. Names and Questions
    07:57
    Names and Questions
  11. Illustrating the Book
    02:15
    Illustrating the Book
  12. Pupils' questions
    07:21
    Pupils' questions
  13. Self-Defence
    02:59
    Self-Defence
  14. Did anyone encourage Ross MacKenzie to write books?
    00:48
    Did anyone encourage Ross MacKenzie to write books?
  15. School Questions
    08:45
    School Questions
  16. Mental Health
    02:25
    Mental Health
  17. Rachel’s books and inspirations
    06:29
    Rachel’s books and inspirations
  18. Questions from schools
    05:58
    Questions from schools
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