# Whatever your level, you can ace your exams with EasyA.

Whether it's 11+, GCSE or A-level maths (or equivalent), our Oxbridge geniuses are here to help.

### Basic Skills

- Negative Numbers: Four Operations
- Add and Subtract Fractions and Mixed Numbers
- Multiplication and Division of Fractions
- Multiplication and Division of Decimal Numbers
- Basic Percentages: Non-Calculator and Calculator
- Fraction, Decimal and Percentage Conversions

### Numbers

- Estimation and Significant Figures
- Basic Index Laws
- Fractional and Negative Index Laws
- Standard Form Calculation
- Surds: The Basics - Simplifying, Multiplying, Dividing
- Surds: Expanding Brackets
- Surds: Rationalising the Denominator

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### Algebra

- Forming Algebraic Expressions and Formulae
- Equations, Expressions, Identities and Formulae
- Simplifying Algebraic Expressions, including Brackets
- Expanding Double Brackets
- Expanding Triple Brackets
- Factorising Single Brackets
- Simplifying Expressions by Factorising
- Factorising Double Brackets: uadratic Expressions
- Simplifying Expressions using the Index Laws
- Linear Sequences: nth Term Rule
- Quadratic Sequences: nth Term Rule
- Other Sequences: Fibonacci, Geometric, Recurrence
- Solving Linear Equations
- Solving Linear Equations: Unknown on Both Sides
- Forming and Solving Linear Equations
- Solving Quadratic Equations by Factorisation
- Solving Quadratic Equations using the Formula
- Rearranging Formulae
- Substitution into Equations and Formulae
- Linear Graphs: Drawing Straight Line Graphs
- Linear Graphs: Equation of a Straight Line, y = mx + c
- Midpoint and Gradient of a Line Segment
- Quadratic Graphs: Drawing Quadratic Graphs
- Quadratic Graphs: Properties of Quadratic Graphs
- Solving Linear and Quadratic Equations using Graphs
- Algebraic Proof

### Geometry

- Angles on Parallel Lines
- Solving Multi-Step Angle Problems
- Angles in Polygons (Interior and Exterior Angles)
- Forming and Solving Equations with Angles
- Compound and Algebraic Perimeter
- Area of Rectangles, Triangles, Trapezia, Parallelograms
- Circumference and Area of a Circle: The Basics
- Perimeter and Area of Semi-Circles and Quarter-Circles
- Circumference and Area of a Circle: Problem Solving
- Arc Length and Area of Circle Sectors
- Pythagoras’ Theorem: The Basics (including with Surds)
- Pythagoras’ Theorem: Problem Solving
- Trigonometry in Right-Angled Triangles: The Basics
- Trigonometry in Right-Angled Triangles: Problem Solving
- 3D Pythagoras’ Theorem and Trigonometry
- Volume of Prisms and Cylinders: The Basics
- Volume of Prisms and Cylinders: Problem Solving
- Similar Shapes: Lengths - The Basics
- Similar Shapes: Areas and Volumes
- Similar Shapes: Problem Solving

### Probability

- Angles on Parallel Lines
- Solving Multi-Step Angle Problems
- Angles in Polygons (Interior and Exterior Angles)
- Forming and Solving Equations with Angles
- Compound and Algebraic Perimeter
- Area of Rectangles, Triangles, Trapezia, Parallelograms
- Circumference and Area of a Circle: The Basics
- Perimeter and Area of Semi-Circles and Quarter-Circles
- Circumference and Area of a Circle: Problem Solving
- Arc Length and Area of Circle Sectors
- Pythagoras’ Theorem: The Basics (including with Surds)
- Pythagoras’ Theorem: Problem Solving
- Trigonometry in Right-Angled Triangles: The Basics
- Trigonometry in Right-Angled Triangles: Problem Solving
- 3D Pythagoras’ Theorem and Trigonometry
- Volume of Prisms and Cylinders: The Basics
- Volume of Prisms and Cylinders: Problem Solving
- Similar Shapes: Lengths - The Basics
- Similar Shapes: Areas and Volumes
- Similar Shapes: Problem Solving