If you’re taking the higher maths GCSE, there are certain values of sin, cos and tan that you need to know off by heart. Luckily in two of the three exams you will be allowed to use a calculator, but in the non-calculator exam you will need to know the… Continue reading How to use triangles to remember exact sin, cos and tan values

# Tag: higher

## A more efficient method for listing the factors of a number

In this blog I will show you the most efficient way to list factors, and explain why this is a good method. What is a factor? The factors of a number are numbers that you can divide the number by and get a whole number result.For example, 5 is a… Continue reading A more efficient method for listing the factors of a number

## GCSE and A-Level Results 2021

Unfortunately due to the pandemic, GCSE and A-Level exams were cancelled again in 2021. Grades were awarded based on teacher assessments.746,880 students were entered for GCSE mathematics and 97,960 for A-Level mathematics in 2021. The GCSE results were very similar to the previous two years, with a slight increase in… Continue reading GCSE and A-Level Results 2021

## The Look-and-Say Sequence

In a previous blog I looked in more detail into “the daddy of all integer sequences” - the Fibonacci sequence. While the Fibonacci sequence is an impossible sequence to match up to, there are plenty of other intriguing integer sequences out there. So if you can deal with the disappointment… Continue reading The Look-and-Say Sequence

## How to represent a recurring decimal as a fraction

What is a recurring decimal? Some decimal numbers are easy to deal with – 0.5, 0.3, 0.25 etc. These are easy because they do not have recurring digits. Converting between these numbers and fractions is easy. Recurring decimals are numbers which have a repeated digit or sequence of digits –… Continue reading How to represent a recurring decimal as a fraction