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# GCSE Maths (Higher) WJEC

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**Student Notes**

**Student Notes**

Student Notes OCR/WJEC/CCEA

Notes

**Number, Algebra, Ratio, Proportion & Rates of Change**

**Number**

Highest Common Factors & Least Common Multiples

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Prime Numbers

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Negative Numbers

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Index Laws (for Numbers and Letters)

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Rounding

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Standard Form

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Fractions and Mixed Numbers

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Surds and Pi

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Error Intervals

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**Number (Harder) is hidden for the level currently selected (4-6)**

**Ratio, Proportion & Rates of Change**

Ratios

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Convert Volume Measures & Currency Exchange Rates

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Compound Measures (Speed, Density & Pressure)

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Simple Percentages

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Reverse Percentages

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Compound Interest

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Direct, Inverse & Complex Proportion Problems

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**Algebra**

Substitute Numbers into a Formula

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Expanding Brackets

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Factorising

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Set Up Simple Linear Equations

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Solve Simple Linear Equations

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Change the Subject of a Formula

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Solve Simple Linear Inequalities

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Solve Quadratic Equations by Factorisation

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Solve Simultaneous Linear Equations

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Continuing Sequences

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nth Term of Linear Sequences

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Straight Line Equations

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Parallel and Perpendicular Lines

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Plotting & Sketching Quadratics and Cubics

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Reciprocals

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**Algebra (Harder) is hidden for the level currently selected (4-6)**

**Geometry and Measures**

**Geometry and Measures**

Angles in Polygons

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Angles in Triangles and Parallel Lines

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Properties of Quadrilaterals

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Pythagoras' Theorem

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Using Trigonometry

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Bearings

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3D Shapes (Drawing Front, Plan & Elevation Views)

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Circle Properties and Circle Theorems

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Calculate Arc Lengths and Sector & Segment Areas

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Draw Basic Constructions

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Construct Basic Loci

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Describe Transformations

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Understand Conditions for Congruent Triangles

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Calculate Lengths in Similar Triangles

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Vectors

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**Geometry and Measures (Harder) is hidden for the level currently selected (4-6)**

**Probability and Statistics**

**Probability**

Estimate & Multiply Probabilities

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Sets and Venn Diagrams

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**Statistics**

Recognise Correlation using Lines of Best Fit

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Sampling

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Basic Statistical Calculations (Mean, Median & Mode)

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**Statistics (Harder) is hidden for the level currently selected (4-6)**

**Disclaimer:** you and your teacher are responsible for ensuring that you are covering the right information and to the right depth.
We also recommend that you use an up-to-date copy of the specification from your examination board's website.