by MathPickle | Sep 14, 2015 |
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...
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 11, 2015 |
Venn diagrams are not taught well anywhere. With little effort, these diagrams can be brought to life with beauty and by going beyond that little 3 circle Venn diagram. At the very least a teacher should end a lesson on the three circle Venn diagram with a question:...