Repeating decimals to fractions.. .. is a favourite GCSE question, usually level A and worth around 2/4 marks. A repeating decimals to fractions question is a little more 'abstract' but, once you understand the principles, it should be relatively straightforward. The answer is to use algebra to show a formal proof. As with most mathematics aim for a logical progression with … [Read more...]
How to estimate calculations
Rule 1 in how to estimate calculations - Don't underestimate the power to estimate. Probably the most used arithmetic skill by adults is the power to estimate. We're actually pretty good and can work out a handful of change or the weight of a bag of shopping fairly accurately. There is always an emphasis on getting the correct answer in maths but... it does help if you have a … [Read more...]