Maths Resources (page 29)

Factorising is the opposite of expanding brackets. When we factorise, we put brackets in. In the previous session we looked at the expression x(y + 1). If we expand the brackets w...

The expression xy means x times y. But what are we to make of the expression x(y+1)? This must mean x times (y+1) which, in turn, means x times y plus x times 1 - everything outsi...

Algebra is about solving equations. Or to be more precise, we solve equations using algebra. One of the most simple ideas in algebra is the idea of collecting like terms, or simpl...

Consider the linear equation 2x + 1 = 5 If we solve this equation we get x = 2. What happens if we plug x = 2 into the left hand side of the equation? We get 5. What happens if w...

As we go further into the 21st century, technology has become more and more advanced. This has in turn heralded a shift from traditional face to face business to an increasingly onlin...

We are now only a few months away from pupils sitting exams under the new GCSE grading system in English language, English literature and maths. So let’s remind ourselves why the...

Wendy Jones is a trustee of National Numeracy and a former BBC education correspondent.The story that emerged last week of 17 million adults having such poor numeracy skills t...

The most famous fractal is called the Mandelbrot Set, after the Polish-born mathematician Benoit Mandelbrot. To construct the Mandelbrot Set, consider the following sequence of number...

Exchange rate questions are a special type of conversion factor question, involving converting one currency to another eg dollars to pounds, euros to dollars etc.ExampleIf £1 = ...

Many IB students find themselves uncertain where to go with the exploration. They have spent many years answering closed exam questions in Maths, where there is a clear correct answer...