by MathPickle | Nov 22, 2016 |
“Very bright was that sword when it was made whole again; the light of the sun shone redly in it, and the light of the moon shone cold, and its edge was hard and keen. And Aragorn gave it a new name and called it Andúril, Flame of the West.” J.R.R. Tolkien...
by MathPickle | Oct 6, 2016 |
Before the wise builder builds – the wise builder thinks. Here we are going to build the foundations of a great skyscraper – Taipei 101. Start with a 6×6 grid. Add numbers or letters or colors to the top left part of the grid as shown. Now is the...
by MathPickle | Sep 15, 2016 |
Pair up students. Each student writes 0 to 4 in a ring and then secretly assigns + and – to each. Later on they can challenge each other with 0 to 5 rings or even larger. Each partner duplicates their ring – possibly rotating it so the zeros are not...
by MathPickle | Sep 14, 2016 |
This spinning centrifuge has a matching set of -1 (South) and +1 (North) magnets on the inner and outer ring. The inner ring is the one that spins. You must try to find a combination of +1s and -1s so that when it is rotated away from this all-repulsive position there...
by MathPickle | Jul 5, 2016 |
Smothering Ninja Bed Bugs is important to stop itchy nocturnal sleeps on you King Size bed. Here is an infestation of your king size bed. It looks nasty. Your job is to smother all those Ninja Bed Bugs by covering them with rectangles. The Ninja Bed Bug Score...
