Gozen – factorization game

Gozen – factorization game

Gozen - The 2-Player Pure Strategy Game (old rules. for new rules see pdf below) Gozen are female Samurai warriors. In this game your goal is to outlast your opponent by strategic horsemanship and archery. After you view this slide show download game-boards here. The...
Killer Bunny Sequence – prime factorization

Killer Bunny Sequence – prime factorization

Killer Bunny Sequence (John Horton Conway) This is a sequence developed by the great mathematician John Horton Conway. After describing the sequence starting with 1,1 student pairs should start with their own two numbers from 1-10 and see what happens to their...
Which came first: Chicken or Egg

Which came first: Chicken or Egg

Which came first: Chicken or Egg (Ancient Puzzle) Choose a number. Find all of its proper divisors. Add them up to find a new number. Repeat. What happens? That’s what we are going to explore in this quirky visit with Tweedledum and Tweedledee. Many teachers...
Mimizu – common factor puzzles

Mimizu – common factor puzzles

Mimizu means earthworm in Japanese. Your goal is to digest leaves and other stuff that is in your compost bin. Number hints are given as well as black barriers which cannot be crossed. After stepping through these slides click here to download printable...
Prime Number Catacombs

Prime Number Catacombs

Prime Number Catacombs (William Paulsen, 2000) This is absolutely one of my favourite pedagogic discoveries from recreational mathematics. It is engaging, evocative and curiosity inducing. I now prefer to start students groups off at different numbers. They must try...