πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300πŸ”₯ Use WELCOME20 for 20% off your first chapter🎬 Limits & Derivatives: Part 1 is free to watchπŸ“ž 1:1 mentorship call with Karan β€” just β‚Ή300

Why every JEE student needs a mistake notebook

One notebook, three columns, five minutes a day. The cheapest marks you'll ever earn.

Mathflex Team Β· Mathflex
16 Aug 2026 Β· 3 min read

Write down every mistake, the reason and the fix. Reread it every Sunday. Most students repeat the same five mistakes all year.

#Habits#Revision
Written by
Mathflex Team

Study guides and exam updates from the people who build Mathflex.

Keep reading

All articles β†’
Study tips19 Sept 20265 min readHow to review a mock test in 30 minutesA simple three-column method to turn every wrong answer into marks next time.Study tips27 Aug 20264 min readStreaks that stick: studying a little every dayWhy 40 focused minutes a day beats a 6-hour Sunday, and how to keep it going.Exam preparation2 Oct 20269 min readYour 100-day JEE Main plan, chapter by chapterWhich chapters to finish first, when to start mocks and how to fit revision around school.