Recurring Decimals
This YouTube video describes what recurring decimals are, and how to write them as fractions.
This YouTube video describes what recurring decimals are, and how to write them as fractions.
This YouTube video explains how river basins are formed.
This is an online activity providing you with exercises in sorting decimals from least to greatest.
This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.
Defining and comparing tension, weight, friction and normal forces using free body diagrams.
Video 1: Finding percentages with a double number line
Video 2: Finding the whole with a tape diagram
Online activity: Find percents visually
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.
We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.