This is a Powerpoint Presentarion on the real numbers system. It defines each type of numbers giving examples with an Venn Diagram.

This is a presentation introducing direct and indirect proportion. Learning objectives: Define the term proportion. Identify proportions. Differentiate between direct and indirect proportion. Solve problems that are directly or indirectly proportional.

This presentation introduces the three basic trigonometric functions: sine, cosine and tangent.

This presentation will assist in understanding angles of depression and how to use angle properties and Trigonometry to solve problems relating to angles of depression.