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Grade 10 Maths Syllabus

10 ශ්‍රේණිය ගණිතය · පරිච්ඡේද වාර අනුව

The 31 chapters of Grade 10 Mathematics, in the order they are usually taught. The bar shows each chapter's share of term-test marks, so you can see what matters most.

Term 1 · 1 වාරය

  • 1. Perimeter · පරිමිතිය

    Notes →

    Extends measurements related to length to find the perimeter of plane figures containing sectors.

    in 52/54 tests
  • 2. Square Root · වර්ගමූලය

    Notes →

    Finds the square roots of numbers using various methods.

    in 49/54 tests
  • 3. Fractions · භාග

    Notes →

    Solves problems involving fractions.

    in 52/54 tests
  • 4. Binomial Expressions · ද්විපද ප්‍රකාශන

    Notes →

    Squares a binomial expression.

    in 31/54 tests
  • 5. Congruency · අංගසාම්‍යය

    Notes →

    Investigates the requirements for two triangles to be congruent.

    in 54/54 tests
  • 6. Area · වර්ගඵලය

    Notes →

    Solves problems related to the area of plane figures containing sectors.

    in 53/54 tests
  • 7. Factors of Quadratic Expressions · වර්ගජ ප්‍රකාශනවල සාධක

    Notes →

    Factorizes a trinomial quadratic expression.

    in 46/54 tests
  • 8. Triangles · ත්‍රිකෝණ

    Notes →

    Formally investigates the sum of the three interior angles of a triangle. Investigates the relationship between the exterior angle formed by producing a side of a triangle and the interior opposite angles.

    in 54/54 tests
  • 9. Inverse Proportion · ප්‍රතිලෝම සමානුපාත

    Notes →

    Investigates the relationships between quantities using ratios.

    in 46/54 tests
  • 10. Data Representation · දත්ත නිරූපණය

    Notes →

    Represents data graphically to facilitate comparison and to solves problems.

    in 49/54 tests

Term 2 · 2 වාරය

  • 11. Least Common Multiple of Algebraic Expressions · වීජීය ප්‍රකාශනවල කුඩාම පොදු ගුණාකාරය

    Notes →

    Finds the least common multiple of several algebraic expressions.

    in 49/54 tests
  • 12. Algebraic Fractions · වීජීය භාග

    Notes →

    Manipulates algebraic fractions under addition and multiplication.

    in 44/54 tests
  • 13. Percentages · ප්‍රතිශත

    Notes →

    Solves problems related to taxes using percentages. Makes decisions by calculating the interest.

    in 46/54 tests
  • 14. Equations · සමීකරණ

    Notes →

    Uses linear equations to solve problems. Uses simultaneous equations to solve problems.

    in 49/54 tests
  • 15. Parallelograms I · සමාන්තරාස්‍ර I

    Notes →

    Formally proves the relationships between the sides and the relationships between the angles of parallelograms. Identifies and uses the relationship between the diagonals of a parallelogram.

    in 42/54 tests
  • 16. Parallelograms II · සමාන්තරාස්‍ර II

    Notes →

    Identifies and uses the necessary conditions on the sides of a quadrilateral for it to be a parallelogram. Identifies and uses the necessary conditions on the angles of a quadrilateral for it to

    in 35/54 tests
  • 17. Sets · කුලක

    Notes →

    Uses methods of denoting sets to facilitate problem solving. Solves problems using sets.

    in 52/54 tests
  • 18. Logarithms I · ලඝුගණක I

    Notes →

    Analyses the relationship between indices and logarithms. Uses the laws of logarithms for multiplication and division.

    in 37/54 tests
  • 19. Logarithms II · ලඝුගණක II

    Notes →

    Simplifies numerical expressions using the logarithm tables. Uses the calculator to solve mathematical problems.

    in 34/54 tests
  • 20. Graphs · ප්‍රස්තාර

    Notes →

    Determines the nature of the linear relationship between two variables. Graphically analyzes the mutual quadratic relationships between two variables.

    in 51/54 tests
  • 21. Rate · ශීඝ්‍රතාව

    Notes →

    Manages time to perform daily duties efficiently.

    in 38/54 tests

Term 3 · 3 වාරය

  • 22. Formulae · සූත්‍ර

    Notes →

    Investigates the methods by which formulae can be used to solve problems.

    in 28/54 tests
  • 23. Arithmetic Progressions · සමාන්තර ශ්‍රේඪි

    Notes →

    Identifies arithmetic progressions and solves related problems. Investigates the various behavioral patterns of arithmetic progressions.

    in 38/54 tests
  • 24. Algebraic Inequalities · වීජීය අසමානතා

    Notes →

    Solves problems in daily life related to the inequality of two quantities.

    in 34/54 tests
  • 25. Frequency Distributions · සංඛ්‍යාත ව්‍යාප්ති

    Notes →

    Extends frequency tables to easily communicate data. Uses representative values to interpret data.

    in 45/54 tests
  • 26. Chords of a Circle · වෘත්තයක ජ්‍යා

    Notes →

    Identifies and applies the theorem on the relationship between a chord and the centre of a circle. Applies the converse of the theorem on the relationship between a chord and the centre of a circle.

    in 24/54 tests
  • 27. Constructions · නිර්මාණ

    Notes →

    Uses the knowledge on the basic loci to determine locations. Constructs triangles using the given data.

    in 48/54 tests
  • 28. Surface Area and Volume · පෘෂ්ඨ වර්ගඵලය හා පරිමාව

    Notes →

    Investigates the surface area of cylinders. Investigates the surface area of prisms.

    in 35/54 tests
  • 29. Probability · සම්භාවිතාව

    Notes →

    Analyses the mutual relationships between events. Illustrates the occurrences of a compound event pictorially.

    in 40/54 tests
  • 30. Angles in a Circle · වෘත්තයක කෝණ

    Notes →

    Formally proves and applies the relationships between the angles that are subtended by an arc of a circle. Solves problems using the relationships between the angles in a circle.

    in 25/54 tests
  • 31. Scale Diagrams · පරිමාණ රූප

    Notes →

    Investigates the various locations in the environment using scale diagrams.

    in 37/54 tests