Detailed Notes
Year 9 Mathematics
Choose a topic to open a printable classroom-style note with teaching steps, worked examples, parent tips and answers.
Number and Algebra
8 notes
Detailed Notes
Real numbers — surds and properties
Indices · Real · Numbers · Surds
Detailed Notes
Index laws with negative and fractional indices
Indices · Index · Laws · With
Detailed Notes
Operations with scientific notation
Indices · Operations · With · Scientific
Detailed Notes
Simple interest and financial maths
Percentage · Simple · Interest · Financial
Detailed Notes
Expand binomials and factorise quadratics
Quadratics · Expand · Binomials · Factorise
Detailed Notes
Solve simultaneous linear equations
Linear · Solve · Simultaneous · Linear
Detailed Notes
Introduction to non-linear relationships
Linear · Introduction · Non-Linear · Relationships
Detailed Notes
Sketch and interpret linear inequalities
Linear · Sketch · Interpret · Linear
Measurement and Geometry
7 notes
Detailed Notes
Surface area of composite solids
Area · Surface · Area · Composite
Detailed Notes
Volume of pyramids, cones, and spheres
Volume · Volume · Pyramids · Cones
Detailed Notes
Apply Pythagoras' theorem in 2D and 3D
Pythagoras · Apply · Pythagoras' · Theorem
Detailed Notes
Trigonometric ratios — sin, cos, tan
Ratio · Trigonometric · Ratios
Detailed Notes
Solve right-angled triangle problems
Angles · Solve · Right-Angled · Triangle
Detailed Notes
Similarity and scale factors
Shapes · Similarity · Scale · Factors
Detailed Notes
Distance, midpoint, and gradient formulas
Linear · Distance · Midpoint · Gradient
Statistics and Probability
5 notes
Detailed Notes
Grouped data and frequency distributions
Data · Grouped · Data · Frequency
Detailed Notes
Histograms and box plots
Data · Histograms · Plots
Detailed Notes
Compare data sets using summary statistics
Data · Compare · Data · Sets
Detailed Notes
Two-way tables and Venn diagrams
Probability · Two-Way · Tables · Venn
Detailed Notes
Introduction to conditional probability
Probability · Introduction · Conditional · Probability
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