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Open resources📚 Grade 9 Mathematics lessons by term & topic(49)
Choose your term, then the topic you have been told to study, and you will see every lesson you need to master for it.
Step 1 · Choose a term
Step 2 · Choose a topic in Term 1
Algebraic Expressions
Term 12 lessons to masterFactorising Algebraic Expressions (Grade 9)The four kinds of factorising the Grade 9 ATP asks for — common factors, the difference of two squares, trinomials of the form x² + bx + c, and trinomials whose x² coefficient comes out as a common factor — each with a worked example and a worksheet, plus a short Grade 10 preview at the end.16min read · lesson, worksheet & exam paperMultiplying Binomials: (x + 2)(x + 3) and BeyondExpanding the product of two binomials with the area model and the FOIL order, plus squaring a binomial and the difference of two squares — the Grade 9 algebra skill that factorising later reverses. With a diagram, worked examples and a quiz.9min read · lesson, worksheet & exam paper
Exponents
Term 13 lessons to masterExponents: Notation, Squares, Cubes & RootsRevision from Grade 8What exponential notation actually means, how to read and write it, squares, cubes, square roots and cube roots, and scientific notation — with a labelled diagram, worked examples and a quiz.9min read · lesson, worksheet & exam paperNegative Exponents & Scientific Notation (Grade 9)What a negative exponent really means, how to rewrite it as a fraction, and how to write very large and very small numbers in scientific notation — the Grade 9 extension of the exponent laws, with worked examples and a quiz.8min read · lesson, worksheet & exam paperThe Laws of Exponents: Complete Exam GuideEvery exponent law with its own worked example — multiplying, dividing, powers of powers and products, zero and negative exponents — plus combined exam-style questions and a full worksheet with answers.15min read · lesson, worksheet & exam paper
Functions and Relationships
Term 12 lessons to masterFunctions & Relationships (Grade 9)Input values, output values and rules shown as flow diagrams, tables, formulae and equations — how to move between these equivalent forms and how to find a missing input, output or rule.8min read · lesson, worksheet & exam paperFunctions & Relationships: Flow Diagrams, Tables and FormulaeRevision from Grade 8Input values, output values and rules — how the same relationship can be shown as a flow diagram, a table or a formula, and how to find a missing input, output or rule, with a clear diagram and a quiz.8min read · lesson, worksheet & exam paper
Integers
Term 14 lessons to masterAdding and Subtracting IntegersRevision from Grade 8Ordering integers on a number line, then the two adding rules and the 'add the opposite' trick for subtracting — with a number-line diagram, exam-style worked examples, a worksheet with memo and a quick quiz.9min read · lesson, worksheet & exam paperIntegers: Squares, Cubes, Roots & Mixed OperationsRevision from Grade 8Squares, cubes, square roots and cube roots of integers, the crucial difference between (−3)² and −3², and how to run BODMAS through a calculation containing negatives — worked examples, worksheet with memo and a quiz.8min read · lesson, worksheet & exam paperMultiplying and Dividing IntegersRevision from Grade 8The one sign rule that covers both × and ÷ — same signs give a positive, different signs give a negative — shown as a grid, with exam-style worked examples, a worksheet with memo and a quick quiz.7min read · lesson, worksheet & exam paperProperties of Integers & InversesRevision from Grade 8The commutative, associative and distributive properties applied to integers, plus additive and multiplicative inverses — what they are, how exams ask for them, with worked examples, a worksheet with memo and a quiz.7min read · lesson, worksheet & exam paper
Numeric and Geometric Patterns
Term 13 lessons to masterExtending Numeric & Geometric PatternsRevision from Grade 8Spotting what a pattern is doing — a constant difference, a constant ratio, or something else entirely — and extending it, including patterns given as diagrams or tables, with worked examples, a worksheet with memo and a quiz.8min read · lesson, worksheet & exam paperNumber Patterns: Finding and Using the RuleEvery linear-pattern question type — finding the rule Tₙ = dn + c, predicting a far term, working backwards to find which term equals a value, decreasing patterns, and patterns from diagrams — each worked in full, with a worksheet.13min read · lesson, worksheet & exam paperPattern Rules: In Words and in AlgebraRevision from Grade 8Turning a pattern into a general rule — first described in words, then written algebraically as Tₙ = dn + c — and using that rule to find far-off terms or to work backwards, with worked examples, a worksheet with memo and a quiz.9min read · lesson, worksheet & exam paper
Whole Numbers
Term 18 lessons to masterDirect & Indirect ProportionTelling direct from indirect (inverse) proportion, setting up each correctly, and solving the classic exam problems — unit costs, workers and time, speed and journey time.8min read · lesson, worksheet & exam paperFactors, Multiples & Prime FactorisationRevision from Grade 8What factors and multiples really are (and how never to mix them up), what makes a number prime, and how to break any number into its prime factors with a factor tree — worked examples, a clear diagram and an exam-style worksheet with memo.8min read · lesson, worksheet & exam paperFinancial Maths: Interest, Hire Purchase & Exchange RatesSimple and compound interest, hire purchase, rentals, exchange rates and commission — the real-world money maths of Grade 9, taught with the formulas, fully worked examples and a quiz.10min read · lesson, worksheet & exam paperHCF and LCM (Highest Common Factor & Lowest Common Multiple)Revision from Grade 8Highest Common Factor and Lowest Common Multiple made simple by reading them straight off the prime factors — with a Venn-diagram picture, exam-style worked examples and word problems, plus a worksheet with memo.9min read · lesson, worksheet & exam paperPercentages: Discounts, VAT, Profit and LossRevision from Grade 8The seven percentage question types of Grade 8–9 — finding a percentage, increase and decrease, one number as a percentage of another, percentage change, VAT, profit and loss, and reverse percentages — each worked in full, with a worksheet.15min read · lesson, worksheet & exam paperProperties of Whole NumbersRevision from Grade 8The commutative, associative and distributive properties, the identity roles of 0 and 1, and why dividing by 0 is undefined — the rules that let you rearrange any calculation, with a diagram, worked examples and an exam-style worksheet with memo.8min read · lesson, worksheet & exam paperRatio and Rate: The Five Question TypesRevision from Grade 8The five ratio and rate question types of Grade 8–9 — simplifying, sharing in a ratio, finding a missing part, equivalent ratios, increasing/decreasing in a ratio, and unit rates — each worked in full, with a worksheet.14min read · lesson, worksheet & exam paperThe Real Number System: Rational & Irrational NumbersNaming and sorting numbers — natural, whole, integers, rational and irrational — how each set sits inside the next, and how to tell a rational number from an irrational one.8min read · lesson, worksheet & exam paper
Step 2 · Choose a topic in Term 2
Algebraic Equations
Term 23 lessons to masterSolving Algebraic Equations (Grade 8)Revision from Grade 8Solving equations by inspection and by using inverse operations — one-step, two-step, brackets and equations with exponents — plus setting up equations from word problems, with worked examples and a quiz.10min read · lesson, worksheet & exam paperSolving Equations by Factorisation (Product = 0)The zero-product rule, solving equations of the form (x + a)(x + b) = 0, factorising first when the equation is not yet in that form, and dividing polynomials by a monomial.9min read · lesson, worksheet & exam paperSolving Linear Equations: Every Type in the ExamOne balancing method solves every linear equation. Here it is applied to all the exam types — one-step, two-step, variables on both sides, brackets, negatives and fractions — plus word problems and a full worksheet.15min read · lesson, worksheet & exam paper
Algebraic Expressions
Term 23 lessons to masterAlgebraic Fractions (Grade 9)Simplifying algebraic fractions by factorising and cancelling, and adding, subtracting, multiplying and dividing them — including why you may only cancel factors.10min read · lesson, worksheet & exam paperAlgebraic Language: Terms, Coefficients & Like TermsRevision from Grade 8The vocabulary of algebra — variables, constants, terms, coefficients and exponents — how to spot like terms, and how to add and subtract them correctly, with worked examples and a quiz.8min read · lesson, worksheet & exam paperExpanding & Simplifying Algebraic ExpressionsRevision from Grade 8Multiplying a monomial into brackets, dividing expressions by a monomial, and substituting values to find the numerical value of an expression — the core Grade 8 algebra skills, with worked examples and a quiz.9min read · lesson, worksheet & exam paper
Geometry of Straight Lines
Term 22 lessons to masterAngle Relationships: Straight, Intersecting & Perpendicular LinesRevision from Grade 8Angles on a straight line, angles round a point, vertically opposite angles and perpendicular lines — the four relationships every geometry rider is built from, with a diagram, worked examples and a quiz.8min read · lesson, worksheet & exam paperAngles on Parallel Lines: The Complete Exam GuideEvery angle relationship a parallel-lines question uses — corresponding, alternate, co-interior, plus straight-line and vertically-opposite angles — with worked examples for finding angles, solving for x, and multi-step reasoning, and a full worksheet.13min read · lesson, worksheet & exam paper
Graphs
Term 22 lessons to masterInterpreting & Drawing GraphsRevision from Grade 8Reading global graphs — increasing, decreasing and constant sections, linear versus non-linear, maximum and minimum points, and discrete versus continuous data — plus plotting points on the Cartesian plane, with diagrams and a quiz.9min read · lesson, worksheet & exam paperStraight-Line Graphs: Reading y = mx + cEvery non-vertical straight line is described by y = mx + c. Once you know what m and c do, you can sketch any line and read any graph.6min read · lesson, worksheet & exam paper
Step 2 · Choose a topic in Term 3
Area and Perimeter of 2D Shapes
Term 32 lessons to masterArea & Perimeter of 2-D Shapes (Grade 9)Area and perimeter formulae for squares, rectangles, triangles, parallelograms, trapeziums and circles, plus composite shapes, unit conversions and what happens to area when the dimensions double.10min read · lesson, worksheet & exam paperArea and Perimeter: Every Shape (Complete Guide)Revision from Grade 8Perimeter and area for every shape in the Grade 8–9 syllabus — rectangles, squares, triangles, circles (and half-circles), plus composite shapes and working backwards from the area — each worked in full, with a worksheet.14min read · lesson, worksheet & exam paper
Data Handling
Term 33 lessons to masterCollect, Organise & Summarise Data (Grade 9)Running a data investigation properly — samples and bias, grouping data into class intervals, drawing and reading histograms, choosing between the mean, median and mode when the data has outliers, and then interpreting the result: writing a conclusion, questioning a graph before you trust it, and making a prediction.12min read · lesson, worksheet & exam paperCollecting & Organising DataRevision from Grade 8How a statistics investigation actually works — asking a good question, samples versus populations, questionnaires, and organising results with tally tables, stem-and-leaf displays and grouped intervals, with a worked diagram and a quiz.9min read · lesson, worksheet & exam paperMean, Median, Mode and Range: Complete GuideThe four everyday statistics and the twists exams add to them — odd and even data sets, the median between two middle values, finding a missing value from the mean, and working back from a total — each worked in full, with a worksheet.13min read · lesson, worksheet & exam paper
Geometry of 2D Shapes
Term 35 lessons to masterAngles in Triangles and Quadrilaterals: Full GuideRevision from Grade 8Find any missing angle in triangles and quadrilaterals — including isosceles, right-angled, the exterior-angle rule, solving for x, and the special quadrilaterals — each worked in full, with a worksheet.13min read · lesson, worksheet & exam paperCongruent & Similar 2D ShapesRevision from Grade 8The difference between congruent shapes (identical) and similar shapes (same shape, not necessarily the same size), how to spot each, and how to use proportion to find missing sides — with a clear diagram, worked examples and a quiz.8min read · lesson, worksheet & exam paperCongruent & Similar Triangles: The Four ConditionsThe four conditions that prove two triangles congruent — SSS, SAS, AAS and RHS — how to write the correspondence correctly, and how similarity differs. With drawn figures for every condition, worked proofs and a quiz.10min read · lesson, worksheet & exam paperConstruction of Geometric FiguresRevision from Grade 8Using only a compass and ruler to bisect a line, bisect an angle, construct 60° and 90°, and build a triangle from given sides — the constructions that appear as their own exam question, with step-by-step diagrams.9min read · lesson, worksheet & exam paperPythagoras' Theorem: Finding the Missing SideIn any right-angled triangle, a² + b² = c². Here's how to use it to find a missing side — and the one thing you must check first.6min read · lesson, worksheet & exam paper
Probability
Term 31 lesson to masterStep 2 · Choose a topic in Term 4
Geometry of 3D Objects
Term 41 lesson to masterSurface Area and Volume of 3D Objects
Term 42 lessons to masterSurface Area & Volume of 3-D Objects (Grade 9)Volume and surface area of cubes, rectangular prisms, triangular prisms and cylinders, SI unit conversions, and what happens to volume when you double the dimensions — with drawn solids, worked examples and a quiz.10min read · lesson, worksheet & exam paperSurface Area and Volume: Complete GuideRevision from Grade 8Volume and surface area for every 3D object in the Grade 8 syllabus — cubes, rectangular prisms and triangular prisms — plus capacity, unit conversions and working backwards, each worked in full, with a worksheet.14min read · lesson, worksheet & exam paper
Theorem of Pythagoras
Term 41 lesson to masterTransformation Geometry
Term 42 lessons to masterTransformation Geometry (Grade 9)Reflecting, translating, rotating, enlarging and reducing whole figures on the Cartesian plane, the coordinate rules for each, working backwards from an image, and the effect of enlargement on perimeter and area.10min read · lesson, worksheet & exam paperTransformation Geometry: All Four TransformationsRevision from Grade 8Every transformation an exam sets — reflection in the axes and y = x, translation, rotation about the origin, and enlargement — with the coordinate rule for each, worked examples and a worksheet.13min read · lesson, worksheet & exam paper
📖How to use these Grade 9 Mathematics resourcesRead more ▾Show less ▴
Mathematics in the CAPS curriculum is a cumulative subject: each year builds directly on the last, and each term's work feeds into the next. The resources below are organised the same way your school year is — by term — so you can revise exactly what will be assessed next. Term cards contain full tests and examinations with their memorandums; topic cards collect papers and worksheets that focus on one area of the curriculum.
The most effective way to use this page is simple. Before a test or exam, open the matching term card, download a paper, and write it under timed conditions without looking at the memo. Then mark yourself honestly, identify the question types you lost marks on, and redo those questions a few days later. Learners who repeat this cycle three or four times before an exam consistently outperform those who only read through notes.
Grade 9 is a decisive year: at the end of it, learners choose between Mathematics and Mathematical Literacy for the FET Phase (Grades 10–12). The CAPS Grade 9 curriculum deepens the algebra started in Grade 8 — factorisation, algebraic fractions and simultaneous-style thinking — and introduces the graph work that becomes Functions in Grade 10. A strong Grade 9 result keeps the door open for Mathematics, which is required for many university programmes including engineering, medicine and commerce. See the full Grade 9 curriculum guide →