Wednesday, 25 June 2014

The WHY behind the Area of a Circle

In Mathematics this week, we have continued our study of the measurement strand.

In particular:
Perimeter and area of a: square, rectangle, triangle and circle (circumference)
Volume of a: cube, rectangular prism, triangular prism, cylinder and cone

We have been learning Karate Maths to help us remember the formulas for each (ask your child to demonstrate!).  It is important however, that we understand the WHY for each... this is not so easy!

I have included a video below which helps to explain the WHY behind the area of a circle.  Check it out!    

Area of a Circle



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