Archive for the Category 'Shape'

Pythagoras’ Result

Sunday, April 22nd, 2007


The presentation I used in Friday’s lesson with a sound track. You will want to pause the video at various points to work out the answers to problems for yourself, the video presents the answers!

You will need a calculator with a square root button. Make sure you know how to find a square root on your particular calculator.

Constructions

Thursday, April 19th, 2007

On Module 5 you will need to draw ‘constructions’ with a ruler, compasses and pencil. Typical constructions include:

* Drawing a line perpendicular to another line at a given point
* Bisecting an angle

The YouTube presentations below have been provided by ‘capitalone’ who is a Maths teacher in a UK school. Quite a few teachers are putting stuff on YouTube now.

Perpendicular to a line


Bisecting an angle


Circle areas

Sunday, March 18th, 2007


Watch this for an overview of circle areas with examples. Be prepared to pause the video and reach for your calculator…

I’m assuming you know about the circumference of a circle!

Basic area formulas

Sunday, March 18th, 2007


The YouTube walks you through the formulas for the area of a rectangle, a parallelogram and a triangle. I’ll pop a quiz here sometime before Friday.

Note: we are going ahead with the Algebra coursework now!

Areas by audio

Sunday, March 11th, 2007

I made an ‘audio lesson’ about areas and perimenters for a student who was on shift work last year. To use this lesson, you need to

The audio file is in mp3 format and can be downloaded to your computer (right click over link, save file as…), and you need to draw on the handout and to use a calculator when listening.

I think that 14 minutes is a bit long for an audio lesson. I put the visuals into a YouTube file these days. See what you think.