This post looks at various elements of a circle including: radius, diameter, circumference, arc, chord, tangent, segment, sector and also how to work out the area of […]More…

# (R&F) Algebra – Expanding Brackets

Expanding brackest in algebra means you need to multiply the terms inside the brackets by the term (or terms) that are outside the brackets. Below are some […]More…

# (R&F) Algebra – Quadratic Formula

The quadratic formula allows you to work out the solution to a quadratic equation when solving thougth factoring is not possible.

# (R&F) Standard Form Notation / Scientific Notation

It is called standard form notation because no matter how big, or small the number is, it is always written in a specific way. For this reason […]More…

# (R&F) Geometry – Parallel Lines (z-angles/f-angles/c-angles)

When faced with 2 parallel lines and a transversal – that is a line that crosses both parallel lines – you automatically end up with a number […]More…

# (R&F) Geometry – Triangles (Pythagoras / SohCahToa)

In this post, we will look at types of triangles, Pythagoras theorem and the 3 trigonmetric ratios (sin / cos / tan) with examples.

# Shapes – Polygons

Polygons are 2D closed shapes having straight sides. Although the smallest number of sides a polygon can have is 3; we will look at a polygons having […]More…

# (R&F) Algebra – Indices

Working with indices can sometimes be tricky if you don’t know the specific rules of indices. This post shows what the common indices convert to and also […]More…

# (R&F) Numbers – List of Prime Numbers

This is the list of Prime numbers between 1 and 100. A reminder that a prime number is a number that has only two factors: 1 and […]More…

# (R&F) is it or is it not a Prime Number

Have you ever wondered whether there is a way to determine whether a number is a prime number? Well! for numbers less than 285 follow these steps:

# (R&F) Geometry – Sine & Cosine Rules

These 2 rules are used with non-right angle triangles. Which one to use will depend on the data you are given.

# Statistics – Mean, Median, Mode and Range

In data analysis, there are 3 types of ‘Average’; which are Mean, Median and Mode, and one which measures the ‘Spread’, which is the Range. The below […]More…