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Dividing decimals
If you can already divide whole numbers, or work with fractions, you should find dividing decimals quite simple to pick up. We rely on the fact that we know our times tables pretty well, so it's easy to work out, for example, how many 3s go into something. However, not many people know their 0.3 times tables quite as well  we're less comfortable with decimals. So wouldn't it be nice if we could change division by a decimal (yuck!) into a whole number calculation, which we're much more used to?
There are a couple of different methods you can use. Have a look at the pictures to the right for examples of both. Method 1: Use this if you like working with decimals and aren't great at division using written methods. You may want to use visual diagrams to help, as I have done. Method 2: Use this if you prefer working with fractions and doing written division problems. You will often need to use this skill in GCSE questions on estimating the answers to calculations. 
Leftclick to enlarge the image, rightclick and "Save Target As" to download for your revision notes.

Video tutorialComing soon.

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