GCSE-readyGCSE & IGCSE Mathematics
74 free lessons for GCSE and International GCSE. Each one has short notes, a worked example and a quick check with instant marking. 72 lessons have a doodle video so far.
GCSE · Pearson Edexcel 1MA1
Getting started
5 lessons
Number
12 lessons
- Place value, ordering and negative numbers · video
- Prime factors, HCF and LCM · video
- Fraction arithmetic · video
- Fractions, decimals and percentages · video
- Laws of indices · video
- Fractional and negative indices · video
- Standard form · video
- Simplifying surds · video
- Recurring decimals to fractions · video
- Rounding and estimation · video
- Upper and lower bounds · video
- The product rule for counting · video
Algebra
22 lessons
- Expressions, substitution and formulae · video
- Expanding and factorising · video
- Changing the subject of a formula · video
- Solving linear equations · video
- Linear inequalities · video
- Sequences and the nth term · video
- Straight-line graphs: y = mx + c · video
- Real-life graphs · video
- Parallel and perpendicular lines · video
- Solving quadratics by factorising · video
- Quadratic graphs and their roots · video
- Harder quadratics: factorising, the formula and completing the square · video
- Simultaneous linear equations · video
- Simultaneous equations with a quadratic · video
- Quadratic inequalities · video
- Functions, composite and inverse · video
- Algebraic fractions · video
- Algebraic proof · video
- Iteration · video
- Cubic, reciprocal and exponential graphs · video
- Equation of a circle and tangents · video
- Transformations of graphs · video
Ratio, proportion and rates of change
7 lessons
Geometry and measures
15 lessons
- Angle facts and parallel lines · video
- Angles in polygons · video
- Area and perimeter · video
- Circles, arcs and sectors · video
- Volume and surface area · video
- Transformations · video
- Similarity and congruence · video
- Pythagoras' theorem · video
- Right-angled trigonometry · video
- Exact trigonometric values · video
- Sine rule, cosine rule and area of a triangle · video
- Pythagoras and trigonometry in 3D · video
- Circle theorems · video
- Vectors · video
- Bearings, constructions and loci · video
Probability
5 lessons
International GCSE · Pearson Edexcel 4MA1
Getting started
5 lessons
1 Numbers and the number system
16 lessons
- Place value, ordering and negative numbers · video
- Prime factors, HCF and LCM · video
- Fraction arithmetic · video
- Fractions, decimals and percentages · video
- Fractional and negative indices · video
- Simplifying surds · video
- Recurring decimals to fractions · video
- Set language and notation · video
- Percentages and percentage change · video
- Reverse percentages, compound interest and decay · video
- Ratio and sharing · video
- Rounding and estimation · video
- Upper and lower bounds · video
- Standard form · video
- Compound measures: speed, density and pressure · video
- Units, conversions and scale · video
2 Equations, formulae and identities
14 lessons
- Laws of indices · video
- Expressions, substitution and formulae · video
- Expanding and factorising · video
- Algebraic fractions · video
- Changing the subject of a formula · video
- Solving linear equations · video
- Direct and inverse proportion · video
- Proportion with algebra · video
- Simultaneous linear equations · video
- Solving quadratics by factorising · video
- Harder quadratics: factorising, the formula and completing the square · video
- Simultaneous equations with a quadratic · video
- Linear inequalities · video
- Quadratic inequalities · video
3 Sequences, functions and graphs
9 lessons
- Sequences and the nth term · video
- Functions, composite and inverse · video
- Straight-line graphs: y = mx + c · video
- Parallel and perpendicular lines · video
- Real-life graphs · video
- Quadratic graphs and their roots · video
- Cubic, reciprocal and exponential graphs · video
- Transformations of graphs · video
- Differentiation (International GCSE)
4 Geometry and trigonometry
12 lessons
- Angle facts and parallel lines · video
- Angles in polygons · video
- Bearings, constructions and loci · video
- Area and perimeter · video
- Circles, arcs and sectors · video
- Volume and surface area · video
- Circle theorems · video
- Similarity and congruence · video
- Pythagoras' theorem · video
- Right-angled trigonometry · video
- Sine rule, cosine rule and area of a triangle · video
- Pythagoras and trigonometry in 3D · video