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 |
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 |
Tree of Numbers – EKG Sequences (MathPickle, 2014) Student groups should work independently and then collaboratively to find when these integer sequences converge. Neil Sloane introduced me to the first EKG sequence in 2014. Its beauty and suitability for the...
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...
