by MathPickle | Apr 14, 2017 |
Hare has challenged the tortoise to a revenge race. Tortoise accepts, but tells hare that any revenge race must be across the rickety bridge. That should help turtle, because it stops the hare from getting into her jumping rhythm. You can see it is pretty...
by MathPickle | Jan 16, 2017 |
Is this Venn-like diagram a good fit for Reptile, Crocodile, Female? Does this make sense? No – it suggests that some Crocodiles are not Reptiles. WRONG. It also suggests that all Crocodiles are Females. WRONG. Fix it… This works. Some Crocodiles and...
by MathPickle | Nov 16, 2016 |
Before our myths of democracy were inked – Cleisthenes tossed and turned in bed: “All Men Are Created Equal?” “One Man, One Vote?” “Virtuous Man, Multiple Votes!” “That’s it!” he thought. And here is how it...
by MathPickle | Nov 14, 2016 |
Hex (Piet Hein, 1942) I’ve been using a small variant of hex in the age 5 to 7 classroom for several years. Apart from the smaller size, the only other innovation is to insist that the first player plays on the perimeter on their first move. Without a rule like...
by MathPickle | Nov 1, 2016 |
Jayadratha (जयद्रथ), the envious tyrant of Sindhu, was reclining on his fifteen pillows, trying to get comfortable – and failing. He suddenly realized the reason… The stacks of pillows needed to decrease in height from left to right. This was easy…...
