Now that prime factors have been covered in-depth, this week’s maths lesson will focus on the Highest Common Factors, also known as HCF. HCF can also be described as the biggest number that will ...

As part of a continuing discussion on the myths and truths surrounding Common Core, this piece studies the standards’ math guidelines, and addresses pertinent questions and concerns regarding the ...

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To factorise an expression, we need to take out any factors that are common to each term. The process is the opposite of expanding brackets. We need to find the HCF of \(\text{10x}\) and \(\text{25}\) ...

It can be helpful to look at the numbers and the letters separately. The HCF of 4 and 2 is 2. The HCF of \(\text{x}^{2}\) and \(\text{x}\) is \(\text{x}\). So the ...