by MathPickle | Sep 18, 2015 |
Full Integer Collatz (MathPickle, 2012) Students can play with variations of the famous 1937 Collatz conjecture. Here we look at two. Students can also come up with their own Collatz-like conjectures. Brian Kehrig, a 15 year old student asked about the...
by MathPickle | Sep 16, 2015 |
Symbiotic Sets (MathPickle, 2014) Symbiotic sets are an excuse to practice problem solving and division. I love these little sets and hope you’ll surpass me by finding more. Please email me your discoveries… In my school, the brightest boys did math and...
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 |
1-100 Composite Connector Challenge This is a challenge for a class that has nothing to do except rejoice in connecting numbers that share common prime factors. The highest score that I've managed is 195, but I don't use computers so this can almost certainly be...
by MathPickle | Sep 16, 2015 |
Gozen (MathPickle, 2025) Here is the pdf of Gozen. It is a game that has benefited from years of classroom experience. It is much simpler than the original thanks to Harini Fredrickson’s feedback in 2024. It is the best game I’ve designed for the...
