How to enlarge a shape by scale factor is one of those GCSE questions that you don't really think you'll ever need.. I guess, like a lot of math, it's just whether you are involved in that employment area. Enlargement of shapes is very important if you work in design, architecture, city landscapes, modelling or any area that requires a scale model first. The whole idea of … [Read more...]
Answers to hard math questions – with videos
"Answers to hard math questions" .. is just a random collection of videos for High School math questions. The whole idea is to stop the video at the very beginning, test yourself, and then work through the solution given in the rest of the video. Many of the questions are A*, A and B grade although I'd like to get a good level of challenge for all students. It's quite likely … [Read more...]
How to reflect shapes on a mirror line
How to reflect shapes on a mirror line or x axis, y axis, co-ordinate grid, graph or even cartesian plane - it's all pretty much the same. The biggest problem isn't really the reflection.. it's more making sure that you've correctly identified the 'mirror line.' This can cause a few problems and a little confusion. The easiest way is to actually plot a couple of points on the … [Read more...]
How to do math translations
How to do math translations .. isn't the easiest name for a blog post but, in the interests of good keyword research, these seem to be the kind of words that have been typed into Google. I guess that's just the way some maths topics are presented, perhaps just a little awkward to search for information in a way that works for you. Either way I'm glad you're here! Math … [Read more...]
How to write numbers in standard form
How to write numbers in standard form or scientific notation .. is becoming quite popular as an exam question. The whole idea is to be able to use a common method that is easy to communicate. The problem with numbers is all the zero's - while it can look impressive on a maths paper, there's a huge difference between 14 000,000,000,000,000,000,000,000,000 (that's 27 zeros) and … [Read more...]