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dorKk · English lesson guide

Grade 9 Mathematics: modules and lessons

Explore Grade 9 Mathematics: 15 modules and 76 lesson entries. Use the dorKk lesson guide to plan revision and catch-up study.

dorKk provides pre-recorded CAPS-aligned video lessons for self-paced study alongside schoolwork. Choose a module below, find the lesson that matches your classwork, and use the sequence to identify gaps. This guide lists lesson titles; access to the videos depends on your subscription. dorKk is not an online school.

Source: dorKk English lesson list dated 21 January 2026. Catalogue entries may differ from current app availability.

Plan your study

  1. Choose the module you are currently studying at school.
  2. Try a textbook question first and note where you get stuck.
  3. Watch the matching lesson, try again and keep a list of questions for your teacher.

WHOLE NUMBERS

  1. 1.1.WHOLE NUMBERS INTRODUCTION
  2. 1.2.THE REAL NUMBER SYSTEM
  3. 1.3.CALCULATIONS USING WHOLE NUMBERS PART 1
  4. 1.4.CALCULATIONS USING WHOLE NUMBERS PART 2
  5. 1.5.MULTIPLES AND FACTORS; PRIME FACTORISATION
  6. 1.6.RATE AND RATIO
  7. 1.7.DIRECT PROPORTION AND INDIRECT PROPORTION
  8. 1.8.PROFIT, LOSS, DISCOUNT AND VAT
  9. 1.9.BUDGETS, ACCOUNTS, LOANS, SIMPLE INTEREST
  10. 1.10.HIRE PURCHASE, EXCHANGE RATE, COMPOUND INTEREST

EXPONENTS

  1. 2.1.EXPONENTS REVISION GRADE 8
  2. 2.2.SCIENTIFIC NOTATION
  3. 2.3.GENERAL LAWS
  4. 2.4.EXPONENTS CALCULATIONS

INTEGERS

  1. 3.1.OPERATIONS WITH INTEGERS
  2. 3.2.SOLVING PROBLEMS (1)
  3. 3.3.SOLVING PROBLEMS (2)

FRACTIONS

  1. 4.1.COMMON FRACTIONS; CALCULATION TECHNIQUES
  2. 4.2.FRACTIONS CALCULATIONS
  3. 4.3.SOLVING PROBLEMS
  4. 4.5.DECIMAL FRACTIONS; MULTIPLE FRACTIONS
  5. 4.6.DECIMAL FRACTIONS; USING SQUARES, CUBES AND ROOTS
  6. 4.7.CALCULATIONS WITH FRACTIONS
  7. 4.8.SOLVING PROBLEMS WITH FRACTIONS
  8. 4.9.REVISION; EQUIVALENT FORMS

Module not specified

  1. 4.4
  2. 9.3
  3. Module 12

NUMERIC AND GEOMETRIC PATTERNS

  1. 5.1.INVESTIGATE PATTERNS
  2. 5.2.EXTEND PATTERNS
  3. 5.3.FUNCTIONS AND RELATIONSHIPS

ALGEBRAIC EXPRESSIONS

  1. 6.1.ALGEBRAIC LANGUAGE
  2. 6.2.EXPANDING AND SIMPLIFYING
  3. 6.3.MULTIPLYING INTEGERS AND MONOMIALS BY POLYNOMIALS
  4. 6.4.DIVIDING POLYNOMIALS BY INTEGERS AND MONOMIALS BY POLYNOMIALS
  5. 6.5.PRODUCT OF TWO BINOMIALS
  6. 6.6.SQUARING BINOMIALS
  7. 6.7.FACTORISE ALGEBRAIC EXPRESSIONS

EQUATIONS

  1. 7.1.GRADE 8 REVISION
  2. 7.2.SUBSTITUTION FOR ORDERED PAIRS
  3. 7.3.FACTORISING EQUATIONS

GRAPHS

  1. 8.1.GRADE 8 REVISION
  2. 8.2.LINEAR GRAPHS

SPACE AND SHAPE

  1. 9.1.CLASSIFYING 2D SHAPES
  2. 9.2.CONGRUENT AND SIMILAR TRIANGLES
  3. 9.4.STRAIGHT LINE SOLVING PROBLEMS
  4. 9.5.SURFACE AREA AND VOLUME OF 3D MODELS
  5. 9.6.STRAIGHT LINE ANGLE RELATIONSHIP
  6. 9.7.SOLVING PROBLEMS; STRAIGHT LINES

TRANSFORMATION GEOMETRY

  1. 10.1.TRANSFORMATION OF POINTS
  2. 10.2.ENLARGEMENT AND REDUCTION
  3. 10.3.INVESTIGATING COORDINATES OF ENLARGEMENT OR REDUCTION
  4. 10.4.TRANSFORMATION QUADRANTS AND Y EQUAL X LINE
  5. 10.5.IDENTIFY THE TRANSFORMATION OF A POINT

CONSTRUCTION OF GEOMETRIC FIGURES

  1. 11.1.CONSTRUCTING GEOMETRIC FIGURES
  2. 11.2.CONSTRUCTING ANGLES
  3. 11.3.INVESTIGATING PROPERTIES OF TRIANGLES
  4. 11.4.INVESTIGATING MINIMUM REQUIREMENTS FOR CONGRUENCY
  5. 11.5.INVESTIGATING PROPERTIES OF QUADRILATERALS
  6. 11.6.INVESTIGATING THE SUM OF INTERIOR ANGLES OF POLYGONS

MEASUREMENT

  1. 13.1.AREA AND PERIMETER OF 2D SHAPES
  2. 13.2.EFFECT OF DOUBLING A SIDE
  3. 13.3.SURFACE AREA AND VOLUME OF 3D OBJECTS
  4. 13.4.SURFACE AREA AND VOLUME OF 3D OBJECTS; EFFECT OF DOUBLING MEASUREMENTS
  5. 13.5.THEOREM OF PYTHAGORAS

DATA HANDLING

  1. 14.1.COLLECTING DATA
  2. 14.2.ORGANISE AND SUMMARISE DATA USING THE MEASURES OF DISPERSION
  3. 14.3.ORGANISE AND SUMMARISE DATA ACCORDING TO MORE THAN ONE CRITERIA
  4. 14.4.DRAWING BAR GRAPHS
  5. 14.5.DRAWING SCATTER PLOTS
  6. 14.6.CRITICALLY INTERPRET DATA REPRESENTED IN A VARIETY OF WAYS
  7. 14.7.CRITICALLY COMPARE TWO SETS OF DATA RELATED TO THE SAME ISSUE
  8. 14.8.INTERPRET, ANALYSE AND REPORT DATA

PROBABILITY

  1. 15.1.COMPOUND EVENT
  2. 15.2.PROBABILITY OF EVENTS
  3. 15.3.PREDICTING RELATIVE FREQUENCY

Questions about access

Are the lessons live?

No. The video lessons are pre-recorded for study at your own pace.

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