R4 How to work out Unequal Sharing Problems - Ratio and Proportion

R4 - How to Work Out Unequal Sharing and Grouping Problems for Ratio and Proportion 

One of the most confusing aspects of this strand is the unequal sharing part: for example, where you have 3 of one item for every 5 of another

These videos break it all down into manageable chunks, using images and animation to demonstrate what's happening to the numbers when we use ratio and proportion.

Looks at: how to simplify ratio and proportion; how to work out the ratio when you know the amounts; how to work out the amounts when you know the ratios; how to find the ratio of items when you the proportion; how to work out the proportion when you know the ratios

From the Government Framework for Maths - Content Domain Reference:

6R4 solve problems involving unequal sharing and grouping using knowledge of fractions and multiples

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