Results

This video explains the angles of elevation and depression.

Video 1: How to calculate the area and circumference of circles and semi-circles
Video 2: Examples pertaining to calculating the area and circumference of circles and semi-circles
Video 3: Common mistakes made when calculating the area and circumference of circles and semi-circles

Note: After watching each video, click on the 'back button' to return to the VLE

These three short online lessons discuss asteroids, comets and meteors.

This video explains about coefficient, constant, variable and exponents. Useful for introductions to the topic and/or extension work. 

An interactive lesson discussing congruent triangles.

Outcomes

In this course you will learn about:

1. Conditions for congruency.
2. Proving congruent triangles.

This online resource discusses the distribution of earth's water.

By the end of this unit you will be able to:

• Understand when to use Venn diagrams.
• Draw Venn diagrams.
• Interpret Venn diagrams.

These two short online tutorials discuss how the earth rotates and then the earth's revolutions.