GCSE mathematics questions on how to work out 3D Pythagoras appear on many exam papers and you can download the questions from here. They can be a little challenging and please do practice all of the problems - here's the link to the answers. The main things to remember when working with 3D Pythagoras questions are: - There's usually 2 questions and you'll be … [Read more...]

  GCSE mathematics questions on how to rearrange the subject of a formula appear on many exam papers and you can download the questions from here. They can be a little challenging and please do practice all of the problems; I'll post the answers very soon. The main things to remember when trying to rearrange the subject of the formula are: - Work down the page and … [Read more...]

GCSE mathematics proof questions appear on many exam papers and you can download the questions here. They can be a little challenging and please do practice all of the problems. The main things to remember when working with GCSE mathematics prrof questions are: Make sure you read the question thoroughly Remember that any number is 'n' and an even number is always … [Read more...]

GCSE mathematics stratified sampling questions appear on many exam papers and you can download the questions here. They can be a little challenging and please do practice all of the problems. The main things to remember when working with GCSE mathematics stratified sampling questions are: Check that you know the total population size - this is sometimes given, although … [Read more...]

GCSE mathematics 'common difference' arithmetic sequence questions appear on many exam papers. This is where the same number is added, or subtracted, each time. For instance the sequence 12, 16, 20, 24, 28 .... has a common difference of  add 4 ...... or 16, 8, 0, -8, -16 has a common difference of subtract 8. You're usually asked to create a formula for 'the nth term' and … [Read more...]