by MathPickle | Sep 15, 2015 |
Daedalus and Icarus try to Escape (Lothar Collatz, 1937) The Collatz conjecture from 1937 is essential in every student’s experience of mathematics. Here we present it with a backdrop from Greek mythology. It gives students practice in multiplying by 3 so when the...
by MathPickle | Sep 15, 2015 |
Wreckerball & Recamán’s Sequence (Bernardo Recamán, 1995) What a delicious way to play on the number line! In these sequences you jump about by increasing intervals. The patterns that result are chaotic and beautiful. Nothing must be advanced in a positive...
by MathPickle | Sep 15, 2015 |
Place Value (MathPickle, 2011) Some number systems use place value – others do not. This video takes you on a tour of number systems including Egyptian, Arabic, Babylonian, Montessori and Scientific Notation. Ron Goodman has edited the video for younger students...
by MathPickle | Sep 15, 2015 |
This is a game to give your students an intuition about fractions. Start by dividing your class into teams. Each team is randomly dealt six cards 1-100 (alternatively they can choose six numbers 1-100.) I'm going to colour the cards to indicate which team they have...
by MathPickle | Sep 15, 2015 |
Complete the Quadrilateral (Don Steward, 2013) Try finding the largest and smallest rhombus, rectangle, trapezoids etc. so their vertices include a special point and the other vertices lie on the lattice points of a grid. The first half of the video is quite easy,...