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Build your understanding chapter by chapter, with worked examples and checks along the way.

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Start hereAlgebra readiness

Find a skill to practise

Assumed knowledge

Refresh the algebra and notation that later lessons build on.

0 of 1 chapters marked confident
  1. Algebra readinessRefresh equations, powers and logarithms.
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Functions and graphs

From graph features to inverses, composition and algebraic constraints.

0 of 6 chapters marked confident
  1. Graphing techniquesSketch rational curves using structural features.
  2. FunctionsWhat can go in, and what can come out? · When does an inverse exist? · Can one function feed another?
  3. Graph transformationsTrack translations, stretches and reflections.
  4. Conic sectionsIdentify parabolas, ellipses and hyperbolas.
  5. Solving inequalitiesSolve rational inequalities with a sign diagram.
  6. Systems of linear equationsTranslate constraints into simultaneous equations.
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Sequences and series

Describe patterns, sum terms and understand convergence.

0 of 1 chapters marked confident
  1. Sequences and seriesDistinguish a term from a sum.
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Vectors

Use direction and geometry to describe points, lines and planes.

0 of 3 chapters marked confident
  1. Vectors: magnitude, direction and productsUse displacement, magnitude and unit vectors.
  2. Vectors: lines and perpendicular feetWrite a line using a point and direction.
  3. Vectors: planes, normals and distancesDescribe planes using normals or two directions.
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Calculus: differentiation

Rates, tangents, optimisation and local approximation.

0 of 3 chapters marked confident
  1. Techniques of differentiationInterpret a derivative as local rate of change.
  2. Applications of differentiationConnect derivative signs to increasing and decreasing behaviour.
  3. Maclaurin series and approximationBuild expansions from derivatives at zero.
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Calculus: integration

Parametric curves, accumulation, areas and differential equations.

0 of 4 chapters marked confident
  1. Parametric equationsTrace parametric curves, retain their ranges, and solve tangent, normal and locus problems.
  2. Techniques of integrationRecognise reverse chain-rule patterns.
  3. Definite integrals, areas and volumesInterpret integrals as limits of sums and signed accumulation.
  4. Differential equationsIntegrate and separate first-order equations, use substitutions, and interpret rate models with their initial conditions.
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Complex numbers

Connect algebra to geometry in the Argand plane.

0 of 1 chapters marked confident
  1. Complex numbers and the Argand planeCalculate with real and imaginary parts.
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Probability and statistics

Count outcomes, choose distributions and reason from samples.

0 of 8 chapters marked confident
  1. Permutations and combinationsDecide whether order matters.
  2. Probability and conditional informationUse complements, unions and intersections.
  3. Discrete random variablesBuild a probability distribution from outcomes.
  4. The binomial distributionCheck the assumptions for a binomial model.
  5. The normal distributionStandardise using the standard deviation.
  6. Sampling and the sample meanChoose a sampling model, estimate population parameters and distinguish exact normal results from CLT approximations.
  7. Hypothesis tests for a meanFormulate hypotheses before examining a result.
  8. Correlation and linear regressionUse scatterplots before fitting a line.
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