Year 10 / 11 Mathematics

Teaching content aligned to the new WJEC GCSE Mathematics and Numeracy (Double Award) – taught from September 2025, first awards November 2026. Focused on the skills and topics that appear most frequently in exams.

The three exam units

30% of qualification

Unit 1 – Financial Mathematics & Numeracy

Personal finance, household budgets, percentages in money contexts, enterprise and real-world numeracy. Calculator allowed.

Calculator allowed · Higher 1h 45m / Foundation 1h 30m

30% of qualification

Unit 2 – Non-calculator

Strong focus on geometry, probability, number skills and algebraic manipulation without a calculator.

Non-calculator · Higher 1h 45m / Foundation 1h 30m

40% of qualification

Unit 3 – Calculator-allowed

Topics that benefit from calculator use – more complex algebra, statistics, geometry and problem solving.

Calculator allowed · Higher 2h / Foundation 1h 45m

Lessons

Each lesson includes clear explanations, worked examples and practice questions with answers.

Unit 1 – Financial Mathematics

Financial Maths – Percentages, Interest & Money

Core skills for Unit 1: percentage change, simple & compound interest, profit/loss and money problems.

PercentagesSimple interestCompound interestProfit & loss
Open lesson
Algebra (all units)

Algebra – Forming & Solving Equations

Linear equations, equations with fractions, simultaneous equations and quadratic equations.

Linear equationsSimultaneous equationsQuadratics
Open lesson
Number (all units)

Number – Ratio, Proportion & Percentages

Ratio, direct & inverse proportion, reverse percentages and repeated percentage change.

RatioProportionReverse percentages
Open lesson
Unit 2 – Non-calculator (geometry focus)

Geometry Essentials – Angles, Pythagoras & Trigonometry

Key geometry skills tested heavily in Unit 2 and also in Unit 3.

Angle rulesPythagorasTrigonometry
Open lesson
Unit 2 & Unit 3

Statistics & Probability

Averages, charts, probability (including tree diagrams) and statistical diagrams.

AveragesProbabilityTree diagrams
Open lesson
Number (all units)

Standard Form & Indices

Writing numbers in standard form, calculating with standard form, and the laws of indices.

Standard formIndex lawsSurds (Higher)
Open lesson
Algebra (all units)

Graphs & Sequences

Straight-line graphs (y = mx + c), nth term of sequences, and an introduction to quadratic graphs.

Linear graphsSequencesQuadratic graphs (Higher)
Open lesson
Unit 2 & Unit 3 – Geometry and measures

Area, Volume & Circles

Area of 2D shapes, volume of prisms, surface area and circle formulae – high-frequency exam topics.

AreaVolumeSurface areaCircles
Open lesson
Algebra (all units)

Inequalities

Solving linear inequalities, representing solutions on a number line, and double inequalities.

InequalitiesNumber linesSolving inequalities
Open lesson
Algebra (Higher tier)

Higher Algebra – Quadratics & Formula

Quadratic formula, completing the square, and solving equations with algebraic fractions – essential Higher skills.

Quadratic formulaCompleting the squareAlgebraic fractions
Open lesson
Unit 2 – Geometry (non-calculator)

Transformations

Reflection, rotation, translation and enlargement – describing and performing transformations on shapes.

ReflectionRotationTranslationEnlargement
Open lesson
Geometry / Algebra (Higher)

Vectors

Column vectors, adding and subtracting vectors, scalar multiples, magnitude, and simple geometric proofs with vectors.

Column vectorsVector arithmeticMagnitudeGeometry with vectors
Open lesson
Number (all units)

Bounds & Limits of Accuracy

Error intervals, upper and lower bounds for rounded measurements, and calculations with bounds.

Error intervalsUpper and lower boundsTruncationSignificant figures
Open lesson
Unit 2 – Geometry (Higher)

Circle Theorems

The main circle theorems tested at Higher tier: angles in the same segment, centre and circumference, cyclic quadrilaterals, tangent and radius, alternate segment.

Circle theoremsAngle in a semicircleTangentCyclic quadrilateral
Open lesson
Unit 3 – Geometry (Higher)

Sine Rule, Cosine Rule & Triangle Area

Using the sine and cosine rules in non-right-angled triangles, and the formula Area = ½ab sin C.

Sine ruleCosine ruleArea of triangle
Open lesson
Unit 3 – Statistics (Higher)

Histograms & Cumulative Frequency

Drawing and interpreting histograms (frequency density), cumulative frequency curves, medians and interquartile range.

HistogramsFrequency densityCumulative frequencyBox plots
Open lesson
Unit 2 – Probability

Probability – Conditional & Venn Diagrams

Venn diagrams, mutually exclusive and independent events, and conditional probability.

Conditional probabilityVenn diagramsIndependent eventsMutually exclusive
Open lesson
Number (Higher)

Surds

Simplifying surds, expanding brackets with surds, and rationalising the denominator.

SurdsSimplifying surdsRationalising denominator
Open lesson
Algebra (Higher)

Functions & Iteration

Function notation, composite and inverse functions, and iterative methods to solve equations.

FunctionsComposite functionsInverse functionsIteration
Open lesson
Unit 2 – Geometry

Constructions & Loci

Standard ruler-and-compass constructions and loci (sets of points satisfying a rule).

ConstructionsPerpendicular bisectorAngle bisectorLoci
Open lesson

Full Year 10/11 Maths coverage for WJEC GCSE Mathematics and Numeracy (Double Award) – Foundation and Higher topics with worked examples and practice questions.

Progression Step 5