Stay Mathactive
Maths, made simple — without losing its depth.
Depth, with class. Notes, practice sets, GeoGebra visuals and video solutions for Class XI, Class XII and JEE (Main & Advanced) — by Ashutosh Kumar (AK).

Featured on Stay Mathactive
See all on YouTube →Explore Mathemission
Pick your class — notes, practice and printables for each chapter.
XI
Class XI
Chapter notes, practice sets and printables for CBSE Class XI.
Class XI Notes & Practice →Video series
Real exam questions, worked back to the ideas behind them.
FTQTCJEE MAINFrom The Question To ConceptOne real JEE Main question, worked back to the idea that unlocks it.Watch the series → TWBWJEE ADVANCEDThe Why Behind WhatJEE Advanced problems, with the reason behind every step.Watch the series → SQYOUR QUESTIONSStudent’s QuestReal questions from students, answered on video.Watch the series →
Stuck on a problem? Ask it here.
Post your question — a photo of your attempt helps. Selected questions are answered on YouTube in Student’s Quest.
Mathemission Books
Mathactive XI, Mathactive XII and Rankers Assignment Plus: e-books with theory, practice and solutions, all launching this November.
Live online classes
Small batches for Class XI, Class XII and JEE. Slow, solid concept building — we learn why, then how. Notes and assignments after every class.
Kind words from the community
From students, parents and fellow teachers who watch and learn with Stay Mathactive.
“Most of the teachers teach to solve questions but you teach us how to think. I was lucky to have you as my math staff.”
@KaushikManikandan-w5c · now at IIT Bombay
“Thank you for teaching us the art of systematic thinking and showing us how to trace connections between ideas across different fields.”
@AshwinSathishkumar-q2p · YouTube
“Your videos are mathematically beautiful and AI can’t bring this depth.”
@Pkguptaji · YouTube
Mathactive Sunday · for parents and teachers
The way a child feels about maths is shaped at home and in class.
One thoughtful article every Sunday morning on how children learn maths and how we can teach it better. Free, one email a week.
Join free →Unsubscribe with one click

