This video from Aljazeera explains the origins of Algebra and how important it is for us today.

#### multiply brackets

How to multiply brackets

This puzzle has become very popular on social media. Why not share it on your page and see if your friends can get it right?

Here is the solution.

#### howmanytriangles

The solution to the “How many triangles?” puzzle.

A useful video from UKmathsteacher.

#### GCSE Tutorial Plotting Quadratic Graphs Higher and Foundation)

This channel is managed by up and coming UK maths teachers. Videos designed for the site by Steve Blades, retired Youtuber and owner of m4ths.com to assist learning in UK classrooms. Designed for the Edexcel spec but applicable to AQA, OCR,MEI and WJEC.

#### Mixed transformations GCSE Maths

This is a quick walk-through of a GCSE maths exam question.

Description

#### The exact values for sin and cos 0, 30, 45, 60 and 90

GCSE Maths revision tutorial video. For the full list of videos and more revision resources visit www.mathsgenie.co.uk.

#### Estimating L1, L2 & GCSE (Free Version) *Includes Challenge*

An informative video highlighting the importance of checking your calculations by estimation.

A useful video from Funda Jetley shouwing how to find Highest Common Factors and Lowest Common Multiples.

See the interactive worksheet here.

A useful video from MathMathsMathematics on interpreting histograms.

Set theory is making an appearance in the new GCSE syllabus for both Foundation and Higher. Here is a simple introduction from UKmathsteacher.

This video explains how you can make Sample Space diagrams to work out all the different possible things that could happen, and then work out the probability of different events.

This is one in a large series of short videos from NCETM showing how people use maths at work. See the others here.