KCSE Mathematics Revision

66 topics · 2113+ practice questions · Detailed marking schemes aligned to the KNEC syllabus

All Mathematics Topics

Sets and set operations

45 questions4 objectives

Number systems (natural numbers, integers, rational and irrational numbers, real numbers)

39 questions4 objectives

Factors and multiples (LCM, HCF/GCD)

29 questions4 objectives

Fractions (operations, mixed numbers)

28 questions4 objectives

Decimals (operations, approximation, significant figures)

27 questions4 objectives

Percentages (applications: profit, loss, discount, commission)

55 questions4 objectives

Ratio and proportion

45 questions4 objectives

Rates and variation (direct, inverse, joint)

39 questions4 objectives

Indices (laws of indices)

17 questions4 objectives

Logarithms (laws of logarithms, common logarithms, applications)

47 questions4 objectives

Standard form (scientific notation)

55 questions4 objectives

Algebraic expressions (expansion, factorization, simplification)

41 questions4 objectives

Linear equations (one variable)

28 questions4 objectives

Simultaneous linear equations

24 questions4 objectives

Quadratic expressions and equations

29 questions4 objectives

Linear inequalities

27 questions4 objectives

Number line representation of inequalities

13 questions3 objectives

Sequences (arithmetic sequences)

21 questions4 objectives

Sequences (geometric sequences)

22 questions4 objectives

Functions and relations (domain and range)

41 questions4 objectives

Graphs of functions

33 questions4 objectives

Coordinate geometry (distance, midpoint, gradient)

32 questions4 objectives

Matrices (addition, multiplication, determinants)

41 questions4 objectives

Solving equations using matrices

13 questions3 objectives

Vectors (representation and operations)

29 questions4 objectives

Geometric transformations (translation)

12 questions3 objectives

Geometric transformations (reflection)

31 questions3 objectives

Geometric transformations (rotation)

34 questions3 objectives

Geometric transformations (enlargement)

35 questions3 objectives

Geometry: angles and angle properties

39 questions4 objectives

Geometry: triangles (congruency, similarity, Pythagoras theorem)

38 questions4 objectives

Geometry: quadrilaterals and polygons

46 questions4 objectives

Geometry: loci and constructions

47 questions3 objectives

Geometry: circles (theorems, tangents, chords)

38 questions4 objectives

Mensuration: perimeter and area of plane figures

35 questions4 objectives

Mensuration: surface area of solids

39 questions3 objectives

Mensuration: volume of solids

31 questions4 objectives

Trigonometry: trigonometric ratios (sine, cosine, tangent)

30 questions4 objectives

Trigonometry: angles of elevation and depression

13 questions3 objectives

Trigonometry: sine rule

18 questions3 objectives

Trigonometry: cosine rule

18 questions3 objectives

Statistics: data collection and presentation

36 questions4 objectives

Statistics: measures of central tendency

24 questions4 objectives

Statistics: measures of dispersion

25 questions4 objectives

Probability: experimental probability

36 questions3 objectives

Probability: theoretical probability

38 questions3 objectives

Probability: combined events

30 questions4 objectives

Commercial arithmetic: simple interest

28 questions3 objectives

Commercial arithmetic: compound interest

19 questions4 objectives

Commercial arithmetic: hire purchase

13 questions3 objectives

Commercial arithmetic: currency exchange

18 questions3 objectives

Calculus: rate of change

37 questions3 objectives

Calculus: differentiation of simple functions

18 questions4 objectives

Calculus: applications of differentiation (gradients, maxima and minima)

18 questions4 objectives

Squares, square roots, cubes and cube roots

46 questions3 objectives

Squares and square roots by multiplication, tables and factorisation; cubes and cube roots

Linear motion

31 questions3 objectives

Displacement, velocity, speed, acceleration, relative speed, distance-time and velocity-time graphs

Approximations and errors

35 questions3 objectives

Absolute, relative, percentage, round-off and truncation errors; propagation of errors

Mass, density and weight

46 questions3 objectives

Units of mass, density, weight; conversions and calculations

Linear programming

39 questions3 objectives

Formation of linear inequalities from real life; graphical solutions; optimisation using objective function

Surds

37 questions3 objectives

Rational and irrational numbers; simplification of surds; rationalisation of denominators

Binomial expansions

35 questions3 objectives

Pascal's triangle; binomial expansion up to power 10; numerical applications

Scale drawing

43 questions3 objectives

Scales, bearings, locating points; angles of elevation and depression; simple surveying

Three-dimensional geometry

34 questions3 objectives

Properties of common solids; skew lines; projection of a line onto a plane; angles between lines and planes

Longitude and latitude

35 questions3 objectives

Great and small circles; position on earth; distances in nautical miles and km; time and longitude

Area approximation

34 questions3 objectives

Trapezium rule; mid-ordinate rule; area under curves

Integration

34 questions3 objectives

Reverse differentiation; indefinite and definite integrals; area under a curve; applications in kinematics

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