by MathPickle | Sep 16, 2015 |
Wrongifying Operators (MathPickle, 2012) Epic failure of arithmetic – when our operators (addition, subtraction, multiplication and division) fail to give us the answer! It is fun for students to see when things don’t work. It also forces them to be...
by MathPickle | Sep 16, 2015 |
Desimal Deja-vu (MathPickle, 2013) Fractions and decimals are connected in magical ways. Here we convert from fractions to decimals and from decimals to fractions. This requires algebra. There’s a good case to be made that having fun is a key evolutionary...
by MathPickle | Sep 16, 2015 |
Prime Number Catacombs (William Paulsen, 2000) This is absolutely one of my favourite pedagogic discoveries from recreational mathematics. It is engaging, evocative and curiosity inducing. I now prefer to start students groups off at different numbers. They must try...
by MathPickle | Sep 16, 2015 |
Divisibility Tricks Divisibility tricks allow you to figure out if an integer is divisible by another integer. Again, this video is a lower priority than the engaging puzzle videos, but it should open up some interesting challenges. Games give you a chance to excel,...
by MathPickle | Sep 16, 2015 |
Dressed Up (Equivalent) Fractions (MathPickle, 2013) Equivalent fractions should be explored first using the engaging Fractured Fraction puzzle. Only later is this structural video an option. Engagement first, structure second. This video introduces a challenge: how...