CBSE school notes, chapter by chapter

Simple explanations, solved examples, important questions and a quick quiz for every chapter of the new NCERT books — free, and everything for a chapter on one page.

Choose your class

Class 6CBSE · NCERTComing soon
Class 7CBSE · NCERTComing soon
Class 8CBSE · NCERTComing soon
Class 9Maths · ScienceOpen
Class 10CBSE · NCERTComing soon
Class 11CBSE · NCERTComing soon
Class 12CBSE · NCERTComing soon

Class 9 — live now

Class 9 Mathematics

NCERT Ganita Manjari · 14 chapters

Open Maths notes

Class 9 Science

NCERT Exploration · 13 chapters

Open Science notes

What every chapter page gives you

Each concept explained in plain words, with key formulas or definitions in a box
Worked examples with every step, plus tricks and common mistakes
Important questions at Basic, Medium and Advanced level, with answers
A 5-question self-check quiz with instant feedback
Read aloud in English or Hindi voice (on supported devices)