Daedalus and Icarus try to Escape

Daedalus and Icarus try to Escape

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...
Recamán’s Sequence

Recamán’s Sequence

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...
Place Value

Place Value

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...
Venus Flytrap – dangerous decimals

Venus Flytrap – dangerous decimals

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...
Complete the Quadrilateral

Complete the Quadrilateral

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,...