Klingon Attack

Klingon Attack

  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...
Prime Time

Prime Time

Prime Time (Based on Rivest, Shamir, Adleman, 1977) Prime Time is one of the must-play games in your classroom whenever you start tackling prime and composite numbers. References to the $1,000,000 prize are a long way away, but I hope one day to be able to tell you...
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...