Year 9

Year 9 Maths

Browse checked Maths videos, lessons, worksheets and practice for Year 9, organised by topic with clear source and content notes.

Print the Year 9 Maths checklist to keep the full topic list visible and tick off each area as it is covered.

• Simplify Algebraic Expressions To Maintain Equivalenceexpanding and simplifying algebraic expressions with brackets
• Linear equations with brackets and fractions: Year 9 extensionsolving linear equations with unknowns on both sides
• Substitute Numerical Values For Formulae Expressionssubstituting numbers into algebraic expressions and formulae
• Understand Expressions Equations Inequalities Terms And Factorssolving simultaneous equations
• Use And Interpret Algebraic Notationalgebraic fractions and notation
• Use Linear Equations Two Variables And Gradientsfinding the gradient of a straight line graph
• Use Standard Mathematical Formulaestandard formulae for length area and volume
• Interpret Mathematical Relationships Algebraically Geometricallyenlargement and similarity in shapes
• Solve Problems Involving Perimeters And Areas Of 2D Shapescircumference and area of a circle
• Solve Right Angled Triangle Problemspythagoras theorem and right angled triangle trigonometry
• Use 3D Shape Knowledge To Solve Problemsvolume and surface area of spheres cones and prisms
• Define Interpret And Compare Percentagesfinding the original amount after a percentage change
• Interpret Compare Standard Form Numberswriting and comparing numbers in standard form
• Round Approximate Numbers Appropriatelyrounding numbers and upper and lower bounds
• Solve Problems Involving Direct And Inverse Proportiondirect and inverse proportion problems
• Understand Integer Powers Real Rootslaws of indices and simplifying surds
• Use Calculators Technology For Accuracyusing a scientific calculator for powers and roots
• Use Concepts And Vocabulary For All NumbersHCF and LCM using prime factors
• Use Four Operations For All Numbersadding subtracting multiplying and dividing fractions and surds
• Work Interchangeably With Terminating Decimals And Fractionsconverting fractions to decimals
• Calculate Theoretical Probabilityprobability tree diagrams
• Understand The Relationship Between Two Variablesscatter graphs correlation and causation
• Understand Variables Representation Measures And Spreadcomparing averages and spread of data
• Use Relationships Between Operationsconverting recurring decimals into fractions
• Interpret Fractions Percentages As Operatorsrepeated percentage change problems
• Use Standard Units Of Measureconverting degrees minutes and seconds
• Translate Situations Procedures Into Expressions Formulae And Graphsfinding the equation of a straight line graph
• Use Coordinates In All Four Quadrantsfinding the midpoint of a line segment
• Use Linear And Quadratic Graphs One Variableplotting quadratic graphs
• Generate Terms Of A Sequencegenerating terms of a sequence from a formula
• Use Sequences To Find The Nth Termfinding the nth term of an arithmetic sequence
• Use Geometric Sequencesgeometric sequences
• Change Between Related Standard Unitsconverting between units of area capacity and time
• Use Ratio Notationsolving ratio problems
• Solve Problems Involving Percentage Changereverse percentage problems
• Solve Problems Involving Compound Unitsspeed distance time density and pressure calculations
• Derive And Apply Formulaefinding the area of a sector of a circle
• Draw And Measure Line Segments And Anglessimilar triangles and scale factors
• Derive And Illustrate Properties Of Plane Figuresinterior and exterior angles of regular polygons
• Identify And Describe Translations Rotations And Reflectionsdescribing rotations reflections and translations
• Apply The Properties Of Anglesangle rules and angles on parallel lines
• Apply Facts About Angles And Sidesidentifying congruent triangles
• Understand Probability Outcomesconditional probability and independent events
• Enumerate Sets Using Tables Grids And Diagramsvenn diagrams and sample space diagrams
• Construct Interpret Appropriate Representations For Databox plots histograms and cumulative frequency graphs