Results

Part 1: Comparing like and unlike fractions
Part 2: Examples of comparing like and unlike fractions
Part 3: Common mistakes made when comparing fractions

Fraction comparison with lowest common denominators.

This video explains how to order fractions by their size.

Video 1: How to create a line graph based on data
Video 2: Examples of different line graphs
Video 3: Further examples of line graphs

This video explains how to plot straight line graphs.

YouTube video that explains how to use prime factorization to find the highest common factor and lowest common multiple. It is very simple using the method described in the video.

This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam. 

This 11 minute long YouTube video describes the various causes and types of water pollutants.

This YouTube video investigates what water pollution is and some examples and effects of water pollution.