I have created a selection of worked example videos for the linked topics below, with the hope that these will support your revision in the run up to your examinations.

I will upload more videos once I have been able to create them.

**Number:**

Multiplying/Dividing Fractions

Rounding to Decimal Places

Rounding to Significant Figures

Standard Form - Converting

Standard Form - Calculations

Surds - Simplify/Expanding Brackets

Surds - Rationalising a Denominator

**Algebra:**

Changing the Subject

Collecting Like Terms

Composite Functions

Expanding Single/Double Brackets

Factorising

Iteration

Nth Term

Quadratics - Completing the Square

Quadratics - Factorising

Quadratics - Using the Formula

Simultaneous Equations

Solving Linear Equations

Substitution

__Ratio, Proportion and Rate of Change:__

Best Buys

Finding a missing Quantity

Sharing in a ratio

Simplifying a Ratio