## JCHL Algebra Revision

## LCHL Extra Question Pack 1

## JCHL Extra Question Pack 1

## LCOL Extra Question Pack 1

## Algebra – Linear Equations

## 2017 JCHL Paper 2

## Paper 1 – Selection

## Algebra III

## 2017 JCHL Paper 1

## Descriptive Statistics

Great demonstration of a Scatter Plot of Health vs Wealth. Crash Course Statistics 1: What is Statistics? Mean, Mode and Median - Measures of Central Tendency Measures of Spread

## Enlargements

Enlarging a shape from a centre of enlargement. How to enlarge with a positive scale factor. Enlargements with a fractional scale factor. Khan Academy video on scale factors and areas. Maths Made Easy Video on Enlargements.

## Algebra – Simultaneous Equations (One Linear, One Non Linear)

Video example on how to solve system of equations: one linear and one quadratic. Video example on how to solve system of equations: one linear and one quadratic.

## Statistics – Interquartile Range

Video on the Interquartile Range Crash Course video on measures of Central Tendency - The Mean, Mode and Median Crash Course video on measures of Spread - including Interquartile Range Math Antics video on the mean, the mode and the median.

## Financial Maths

## Trigonometry – Ratios

Khan Academy Intro video on the Trigonometric Ratios VividMaths video on the Trigonometric Ratios Hegarty Maths video on the Trigonometric Ratios

## Integration – To Find Areas

Exam Solutions video about area between curve and x-axis. Khan Academy video about finding the area between curves.

## Differentiation – By Rule

Khan Academy video on the Power Rule in Differentiation Exam Solutions introductory video on Differentiation

## Algebra – Inequalities

Mathbff Video on Inequalities Vivid Math on Inequalities Compound Inequalities explained.