GCSE Mathematics (Edexcel)

48 free revision lessons in 6 units. Open the course or go straight to a lesson.

Number

Arithmetic, fractions, indices, standard form

1. Four Operations & Order of Operations
2. Fractions
3. Decimals & Rounding
4. Factors, Multiples & Primes
5. Percentages
6. Powers, Roots & Standard Form
7. Indices, Surds & Bounds

Algebra

Expressions, equations, sequences, functions

1. Simplifying Expressions
2. Expanding Brackets
3. Factorising
4. Formulae & Substitution
5. Solving Linear Equations
6. Factorising Quadratics (a≠1)
7. Solving Quadratics by Factorising
8. Quadratic Formula & Completing the Square
9. Simultaneous Equations (Linear)
10. Simultaneous Equations (Quadratic)
11. Inequalities
12. Quadratic Inequalities & Regions
13. Sequences & nth Term
14. Quadratic nth Term, Functions & Iteration

Graphs

Linear, quadratic, real-life and transformations

1. Plotting & Reading Linear Graphs
2. Equation of a Line
3. Quadratic Graphs
4. Real-Life Graphs
5. Cubic, Reciprocal & Exponential Graphs
6. Trigonometric Graphs
7. Graph Transformations
8. Gradients of Curves & Areas Under Graphs

Ratio, Proportion & Rates of Change

Ratio, percentages, compound units, proportion

1. Ratio & Proportion
2. Percentages & Compound Change
3. Speed, Density & Pressure
4. Direct & Inverse Proportion
5. Proportion Equations & Powers
6. Rates of Change & Iterative Processes

Geometry & Measures

Angles, area, volume, trigonometry, vectors

1. Angle Facts & Properties
2. Area & Perimeter
3. Volume & Surface Area
4. Transformations
5. Pythagoras & Trigonometry (SOHCAHTOA)
6. Sine Rule, Cosine Rule & Area Formula
7. Circle Theorems
8. Vectors

Probability & Statistics

Probability, data representation, averages

1. Probability Basics & Tree Diagrams
2. Venn Diagrams & Conditional Probability
3. Representing Data
4. Averages & Spread
5. Cumulative Frequency, Box Plots & Histograms

All subjects