CIE IGCSE Maths Core Revision Notes Concise resources for the CIE IGCSE Maths: Core Course Unit 1 1.Reviewing number concept2.Making sense of Algebra3. Lines ,angles & shapes4. Collecting ,organising & displaying data Unit 2 5. Fractions & Standard form6.Equations & rearranging formulae7. Perimeter ,area & volume8. Introduce to probability Unit 3 9. Sequence & Sets10. Straight lines & quadratic equations11.Pythagoras Theorem & similar shapes12. Averages & measure of speed TRIGNOMETRY Videos1.1 Trignometry ratio part 11.2 Solved example of trignometry rule1.3 Solved example video 31.4 Sine rule1.5 using trignometry rules to solve area of triangle part 11.6 using trignometry rules to solve area of triangle part 21.7 using trignometry rules to solve area of triangle part 3