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...
Half Area Quadrilateral

Half Area Quadrilateral

Make three equally spaced notches along the four sides of a square. Choose one of these three notches on each side. Connect them up to form a simple quadrilateral. For example, here we have chosen the middle notch on each side. What is the area of this...
Babylonian Spiral

Babylonian Spiral

Start by drawing a point on a cartesian grid. The position of the point has been selected carefully. The student at the back right of the class begins. They know nothing. They may either take a guess at what will happen next – or may ask for the next slide....