Mimizu – common factor puzzles

Mimizu – common factor puzzles

Mimizu means earthworm in Japanese. Your goal is to digest leaves and other stuff that is in your compost bin. Number hints are given as well as black barriers which cannot be crossed. After stepping through these slides click here to download printable...
Prime Number Catacombs

Prime Number Catacombs

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...
GCF Bingo

GCF Bingo

GCF Bingo (MathPickle, 2012) GCF Bingo is a game where students can both strategize and gain practice calculating the greatest common factor of a set of numbers. Download the pdf for the game here. God exists since mathematics is consistent, and the Devil exists since...
Integral Fission

Integral Fission

Integral fission puzzles are better than prime factorization trees for student engagement. Click Here Integral fission is how a number explodes into its prime factors. Click Here Integral fission is how a number explodes into its prime factors. Click Here Start with...
Egyptian Fractions

Egyptian Fractions

Egyptian Fractions (Graham, 1964) The first “greedy algorithm” introduced in this video is a good way to give your students practice finding common denominators, but be very careful which you choose. As the video shows, these can get nasty!!!  If you are...