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Firstly you want to factorise this expression. You have n², so you know you want to multiple n by itself. Next, you want to think carefully about what two numbers add to get -...

You want to end up an equation that show what a is in terms of p. To make things simpler, we want to get rid of the fraction on the right by multiplying both sides by (4 - a). If we do this we end up with...

To answer this question, create the least common denominator possible. In this instance, the LCD is 40. (I know this because multiples of 5 only end in 0 and 5, and 40 is the lowest multiple of 8 that mee...

The first thing I would do is sketch a diagram of a triangle and a pentagon. I find that tutees learn best when they can see what's going on so this makes the explanation easier to understand. After havin...

First, we need to find two numbers which add together to make 10 such as 2 and 8, 6 and 4 or 7 and 3, listing these combinations. Next, we need to do the same but finding combinations of numbers which mul...