by MathPickle | Sep 16, 2015 |
Wormhole! (MathPickle, 2011 – Based on work by Harold Coxeter and John Horton Conway) Send your students on a dangerous trip which coincidently happens to be a fantastic introduction/practice for division. If they make a mistake they’ll crash in a heap of...
by MathPickle | Sep 16, 2015 |
Klingon Attack The Earth is being attacked by Klingons. It is your job to shoot the enemy spaceships out of the sky using our single ion cannon. Download a pdf of puzzle-sheets here. Much thanks to Ex Astris Scientia for their permission to reprint their...
by MathPickle | Sep 16, 2015 |
In fractured fractions, your students cover a pixelated image with rectangles. You must choose the rectangles carefully so that the fraction covered matches the given fractions. Here we have a yellow submarine with given fractions 1/2 and 1/3. Does this...
by MathPickle | Sep 16, 2015 |
Half Fraction Snake (MathPickle, 2013) This is the best puzzle to introduce students to fractions. It was the third MathPickle puzzle to get into the New York Times. Why is it so good to introduce fractions? Because only 1/2 is used – that’s the secret. I...
by MathPickle | Sep 16, 2015 |
Ballast Puzzles The objective of this puzzle is to find those warships that will tip over because of improper ballast. Start by getting them to understand ballast... It is something heavy that you put in the bottom of a boat so it doesn't tip. I sometimes do a...
