by MathPickle | Sep 15, 2015 |
Complete the Quadrilateral (Don Steward, 2013) Try finding the largest and smallest rhombus, rectangle, trapezoids etc. so their vertices include a special point and the other vertices lie on the lattice points of a grid. The first half of the video is quite easy,...
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 11, 2015 |
No three in a line puzzle (Henry Dudeney, 1917) This is a great idea to get your students thinking about patterns. Watch the video above first. There are some changes that improve the experience: 1) I now start the class by getting them to solve the 3×3...
