Kajitsu – symmetry puzzles

Kajitsu – symmetry puzzles

Kajitsu (MathPickle, 2012) Kajitsu puzzles are for students learning rotational & mirror symmetry. They are the most beautiful puzzles I have created so I love them a lot 😉 Download instructions and an extensive set of these beautiful puzzles here. Men are liars....
Sports Tournaments

Sports Tournaments

Sports Tournaments (MathPickle, 2014) Sports tournaments should be celebrated in the math classroom. PS. Despite assurances in this video that I will post the follow-up results… I’ve removed them out of shock! My predictions sadly went down in...
Bracket – Number Trivia Game

Bracket – Number Trivia Game

Bracket (MathPickle, 2011) In the video I describe how to play Bracket with sticks, but you can also just download this pdf board. Each player would play with two markers. You will need to come up with your own questions. They should be hard enough that an average...
Historic Maps

Historic Maps

 Destruction of Napoleon’s Grande Armée (Joseph Minard, 1869) Minard’s graph showing the destruction of Napoleon’s Grande Armée in 1812-1813. You can find an English translation of this graph here. How many types of data are presented on the...
Cracking the ADFGX Cipher

Cracking the ADFGX Cipher

Cracking the ADFGX Cipher – part 1 (MathPickle, 2011) Learn the ADFGX cipher from world war I. In this first step we learn how to crack a simplified version using the frequency of letters. Click here for a downloadable file to help students crack a...