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http://donsteward.blogspot.com/  


Don Steward  
Blog by a maths teacher influenced by Hans Freudenthal. A fan of unicase, Steward teaches 1016 yearolds in Shropshire (UK). His posts, which date back to November, 2007, have included "loooooong multiplication  grid method," "two reversal problems," "piddling increases," "bike gears," "not next doors," "spheres in a cylinder," "Zorro using 1 to 7" (a task also known as haitch), "Fibonacci trapeziums (trapezoids)," "bracelets or necklaces," "hexagon to rectangle," "arc length and sector area," "quadratics from roots, vertex and yintercept," "John Colson's signed digit notation," "triangles in a 5 by 5 square," "square dissections," "eutrigon and coeutrigon," "square dissections," "John Colson's signed digit notation," and "tapping."  


Levels:  Middle School (68), High School (912) 
Languages:  English 
Resource Types:  Graphics, Problems/Puzzles 
Math Topics:  Basic Algebra, Arithmetic/Early Math, Discrete Math, Polyhedra, Euclidean Plane Geometry, Transformational Geometry, PreCalculus, Probability, Statistics 
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