Posted by: Gary Ernest Davis on: April 2, 2011
James Tanton (@jamestanton) raised the interesting question of what numbers we get if we from the infinite decimals and Here we are placing the numbers and in the digit place in the infinite decimals. This means that we will have to perform a lot of carries to figure out what these numbers are. Or does […]
Posted by: Gary Ernest Davis on: April 1, 2011
Geometric terms Students often forget geometric language they learned in earlier grades The meaning – precise or vague – of words such as parallelogram, rhombus, angle bisector, acute angle, escape them. They have not learned to talk “geometry”. But the language is only a small part of the issue. Much harder is that their teacher […]