Tuesday 30 August 2011

Reflections (Session 5)

In session 5, the lesson on fractions continued... in problem sums...

Closure for fraction:

A fraction is:
  • measurement number (quantity)
  • represent proportion
I learnt that a basic question for a primary 5 child when given to a primary 3 child is known as an application question. There are different levels used by primary schools to assess the children:

Knowledge
Comprehend
Application

After fraction, we finally moved on to something more interesting and visual...

TESSELLATION

The concept on tessellation was refreshed... Tessellation is all about transformation and fulfill the following conditions:
  • rotate (will not change the shape)
  • reflect (will not change the shape)
  • translate (will not change the shape)
  • stretch (will change the shape)
  • shear (will change the shape)
Additionally, based on George Pick's fixed theorem, "area of figure drawn is related to dots"

A (Area of figure) = i (dots inside) + p (dots in perimeter)

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