Summary

• Description:

  The MS Word document comprises Mumias West Sub-County Joint Evaluation Mathematics Paper 1 May 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Mathematics Paper 1 examination. This paper tests candidates' numerical reasoning, algebraic skills, geometric constructions, and applied mathematics through 24 questions combining compulsory short-answer items and structured problem-solving essays requiring full working.

  • Month Administered: May 2026
  • Duration: 2½ hours
  • Total Marks: 100
  • Number of Questions: 24 (Questions 1–16 in Section A; Questions 17–24 in Section B)
  • Structure: Section A (Questions 1–16, 50 marks) — answer all; Section B (Questions 17–24, 50 marks) — answer any five; mathematical tables and calculators permitted where specified

  It covers the following topics:

  • Section A
    • Arithmetic evaluation without tables or calculator
    • Logarithms (evaluation using log tables)
    • Interior angles and number of sides of a regular polygon
    • Simplification of algebraic expressions
    • Similar solids — heights and surface areas using mass ratios
    • Linear inequalities — solving and listing integral values
    • Trigonometry — finding trigonometric values for acute angles
    • Logarithmic equations
    • Enlargements — finding the centre of enlargement
    • Age problems (linear equations)
    • Nets of solids (triangular prism)
    • Square roots and reciprocals using tables (3 significant figures)
    • Time calculations (athletics race start and finish times)
    • Geometric constructions — trapezium using ruler and compasses
    • Division of a line segment by construction
    • Foreign exchange calculations (South African Rand, Kenyan Shilling, Tanzanian Shilling)
  • Section B
    • Coordinate geometry — equations of lines, parallel lines, perpendicular lines, intercepts
    • Transformations — enlargement, translation, reflection, rotation on a Cartesian plane
    • Statistics and data analysis
    • Quadratic and algebraic expressions
    • Financial mathematics and linear programming
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  MATHEMATICS

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