by MathPickle | Sep 14, 2015 |
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....
by MathPickle | Sep 12, 2015 |
Arrows (Eggleton & Fraenkel, 1975) Categorize 9 games based on the answer to two questions: 1) Will Emperor Jiaqing win / tie / lose if he goes the first. 2) Will the Pirate, Ching Shih, win / tie / lose if she goes the first. The games are all variants of the...
by MathPickle | Sep 12, 2015 |
Ruffian Ritual Not everyone is nice. Not everyone even pretends to be nice, but their is still honour and protocol among thieves. Let's say that you're spying on a den of thieves and ruffians. The first thing you notice when they get together is that they all...
by MathPickle | Sep 12, 2015 |
Kobon Triangles (Kobon Fujimura, 1981) Math Puzzles do not get more beautiful than this one from Japan. It should be used by either elementary instructors who need to give their students practice holding a ruler and drawing a straight line or by junior high...
by MathPickle | Sep 11, 2015 |
Unifix cubes. (MathPickle, 2011) Use Unifix to play with patterns. One new unifix mime vignette I did with kindergarten children in 2013 was to enter a new classroom with unifix cubes sorted out in color piles. I lay down in the middle of the cubes. The teacher hit a...
