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No. 01 · Secondary 3 · Math · Cheat sheet

Secondary 3 Math cheat sheet.

No. 02 · Quick answer

Compact Secondary 3 Math cheat sheet for Singapore students (ages 14 to 15). Every formula, definition and key fact a Secondary 3 student needs, aligned to the current MOE syllabus. 10 topic areas: Algebraic manipulation, Linear and quadratic equations, Indices and surds and more. By Geniebook.

Reviewed by the Geniebook curriculum team

No. 03 · What it covers

  1. Algebraic manipulation
  2. Linear and quadratic equations
  3. Indices and surds
  4. Functions and graphs
  5. Trigonometry
  6. Geometry and circle properties
  7. Mensuration
  8. Statistics and probability
  9. Vectors
  10. O-Level past-year practice
Quiz me on MathS3 Math worksheets

No. 04 · Frequently asked

Frequently asked questions

What is on the Secondary 3 Math cheat sheet?
Every key formula, definition and fact a Singapore Secondary 3 student needs for Math. Topics: Algebraic manipulation, Linear and quadratic equations, Indices and surds, Functions and graphs, Trigonometry, Geometry and circle properties, Mensuration, Statistics and probability, Vectors, O-Level past-year practice.
Is the cheat sheet free?
Yes. The cheat sheet is free to read. Inside GenieOne, the student can ask any topic question and the specialist tutor walks through worked examples.
Can I print the cheat sheet?
Yes. The page is printer-friendly. For a packaged PDF, use a browser's "Print to PDF" option. Future versions will include a downloadable PDF.
Does this cover the latest MOE syllabus?
Yes. The Geniebook curriculum team reviews the cheat sheet against the current MOE Math syllabus for Secondary 3. Last updated: 26 April 2026.
How do I use this for exam prep?
Read once, then test recall by covering the page. Inside GenieOne, ask the Math tutor for a 5-question quiz on any topic. The tutor adjusts difficulty to the student's level.