Gedara Sir ගෙදර සර්

Do you know where your child is actually struggling before the O/L?

Find their strengths, weaknesses and learning gaps in O/L Mathematics, chapter by chapter. Grades 9–11. Sinhala and English medium.

Start free

Your maths sir, at home. Don't just get the answer, understand how to solve it.

Ayubowan! I'm Gedara Sir. Let's get ready for O/L Maths together! 🎒

🚀 O/L crash course

Exam in a few weeks? It's not too late.

A 15-minute check, then a plan for every day to the exam. The chapters worth the most marks first, with real timed O/L papers.

Start the crash course →

How it works

  1. 1

    Enter a term test

    Pick the paper and enter the marks, or take a 20-minute check.

  2. 2

    See the weak chapters

    Every question is tagged to the NIE syllabus, including Grade 9 gaps.

  3. 3

    Follow the weekly plan

    10 minutes a day on the chapters that need it most.

  4. 4

    Watch it improve

    A weekly report shows what changed and what to do next.

Explanations in Sinhala and English, written for the NIE syllabus and checked against marking schemes.