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Year 9

Dive deeper into algebra, Pythagoras, trigonometry and statistical analysis.

🔢 Number 3 topics

Indices & Surds

Laws of indices, simplify surds, rationalise denominators.

Standard Form Calculations

Add, subtract, multiply and divide numbers in standard form.

Bounds & Accuracy

Upper and lower bounds, error intervals.

📊 Algebra 3 topics

Quadratic Expressions

Expand and factorise quadratics, difference of two squares.

Simultaneous Equations

Solve simultaneous equations by substitution and elimination.

Solve and represent inequalities on a number line.

📐 Geometry & Measures 3 topics

Pythagoras' Theorem

Apply Pythagoras in 2D and 3D problems.

Trigonometry (SOH CAH TOA)

Use sin, cos and tan to find missing sides and angles.

Circle Terminology

Chord, arc, sector, segment, tangent, circumference, area.

📈 Statistics & Probability 2 topics

Scatter Diagrams

Plot scatter diagrams, describe correlation, draw lines of best fit.

Cumulative Frequency

Draw and interpret cumulative frequency graphs, find quartiles.

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