A directory of useful objects found on the web for teaching Maths.
https://www.bbc.co.uk/teach/skillswise/ratio-and-proportion/z7xqrj6
Publisher, BBC, Video
One-minute video on ratio and proportion
Why learn about ratio and proportion?
The ratio between two numbers is how many times bigger one is than the other.
29 March 2012 Edit: 2 December 2020
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