A little while ago I remember having a telephone conversation with one of my YouTube subscribers. She had made contact to talk through her GCSE course and, as a mature student, wanted some advice about how to 'get her 'mojo' back and study more.' Two things came out of the discussion: - It was a little more encouragement to write 'How to get an A in maths' and - We had a very … [Read more...]
GCSE practice papers
Here's a range of GCSE practice papers by grade. View YouTube videos here for help. I'll add the answer papers soon, although I'm sure you're working through plenty of practice exam papers. Here's 6 tips to help you answer maths word problems and developing independent learning skills. You never know, you might be heading for one of 10 seriously brilliant maths careers! Grade … [Read more...]
How to work out the volume of a cone and hemisphere
How to work out the volume of a cone and hemisphere - or an ice cream! These are really higher level grade A / B GCSE questions but: - the formulas are given on the exam paper (although you should learn them :-)) and - if you work through logically it should be straightforward. The questions usually involve calculating a volume of a cone, sphere or hemisphere. There might … [Read more...]
Why and how to work out volume of a prism
Learning how to work out volume of a prism can be very important for all sorts of applications - mainly in manufacturing and transportation. A 'prism' is a shape with a constant cross section, such as a cardboard box. It basically means that if you cut the prism in half the shape will be the same in the middle: Try the Quick Test volumes of 3D shapes To work out the … [Read more...]
Why and how to calculate density
How to calculate density can be very important in design and construction.. Density is measured by how much something weighs for a fixed volume, usually a 1cm cube. It's a measurement that compares different materials of the same size. This is a level C GCSE question: "An 8cm solid hexagonal prism has a cross-section area of 15cm squared. The prism is made from wood … [Read more...]