Summary

• Description:

  The MS Word document comprises MOKASA I Joint Examination Mathematics Paper 1 2025 Mock Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It is a KCSE Mathematics Paper 1 (121/1) examination.

  • Duration: 2 ½ Hours
  • Total Marks: 100
  • Number of Questions: 24 (Questions 1–24)
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Arithmetic (Fractions and order of operations)
  • Indices (Solving exponential equations)
  • Measurement (Density, mass, and volume of a cone)
  • Algebra (Forming and solving equations involving contributions)
  • GCD and LCM (Least Common Multiple and Greatest Common Divisor)
  • Polygons (Interior and exterior angles)
  • Mathematical Tables (Reciprocals and cubes)
  • Transformations (Translation vectors)
  • Rates of Work (Men, hours, and days calculations)
  • Trigonometry (Angles of elevation and depression)
  • Area of a Sector (Windscreen wiper problem)
  • Matrices (Solving simultaneous equations using the matrix method)
  • Algebraic Expressions (Simplification and factorization)
  • Construction (Constructing triangles using ruler and compasses)
  • Commercial Arithmetic (Foreign exchange rates)
  • Solids (Nets of a square-based pyramid)
  • Surface Area and Volume (Composite solids involving cones, cylinders, and hemispheres)
  • Coordinate Geometry (Equations of straight lines, gradients, and perpendicular lines)
  • Calculus (Differentiation, gradient functions, turning points, and curve sketching)
  • Transformations (Reflection, enlargement, and describing transformations)
  • Surveying (Calculating areas of irregular plots and boundaries)
  • Kinematics (Speed-time graphs, maximum speed, and relative speed/catch-up problems)
  • Statistics (Histograms, frequency polygons, modal class, and mean)
  • Area Approximation (Trapezium rule and Integration)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  MATHEMATICS

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