KCSE 2025 • Form 4

KCSE 2025 Mathematics Paper 1 (121/1) — Full Paper, Worked Step by Step

Full worked solutions to the KCSE 2025 Mathematics Alt. A Paper 1 (121/1), each question explained step by step in writing and on video.

All questions (24)

1. 1 Order of Operations & Surds Numbers
2. 2 Ratio Numbers
3. 3 Indices Algebra
4. 4 Inequalities Algebra
5. 5 Area by Counting Squares Measurement
6. 6 Highest Common Factor Numbers
7. 7 Algebraic Fractions Algebra
8. 8 Cone from a Sector Measurement
9. 9 Clock (Time Lost) Measurement
10. 10 Triangle Construction Geometry
11. 11 Profit & Loss Numbers
12. 12 Histogram Frequencies Statistics
13. 13 Reflection Geometry
14. 14 Net of a Prism Geometry
15. 15 Trigonometry Trigonometry
16. 16 Tangent to a Curve Calculus
17. 17 Speed, Distance & Time Measurement
18. 18 Volume & Surface Area Measurement
19. 19 Coordinate Geometry Geometry
20. 20 Matrices Algebra
21. 21 Vectors Geometry
22. 22 Trapezium Construction Geometry
23. 23 Statistics (Mean & Median) Statistics
24. 24 Differentiation (Max Area) Calculus