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Class 10 boards: a 60-day revision plan, and where AI helps or hurts

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Sixty days is enough to revise the whole Class 10 syllabus properly, if the days are used well. This plan is built on what CBSE has actually published for the 2026-27 session: the sample question papers, their marking schemes and the curriculum documents. Each fact below links to the CBSE page it comes from.

At the end is a short guide to AI tools during revision. They can save you hours, or quietly cost you marks.

हिंदी में पढ़ें: कक्षा 10 बोर्ड परीक्षा की तैयारी कैसे करें: 60 दिन का प्लान.

What CBSE has published about the 2027 exams so far

We checked cbse.gov.in and cbseacademic.nic.in on 20 October 2026.

What the papers look like

Maths Standard sample paper 2026-27Science sample paper 2026-27
Questions3839
Marks and time80 marks, 3 hours80 marks, 3 hours
LayoutSection A: 20 one-mark questions (18 multiple choice, 2 assertion-reason). B: five 2-mark. C: six 3-mark. D: four 5-mark. E: three 4-mark case studies.Three sections by subject (A Biology, B Chemistry, C Physics). Each has 1-mark questions (including assertion-reason), 2- and 3-mark answers, a 4-mark question built on a real situation, and a 5-mark long answer.

Calculators are not allowed in the Maths paper. The Maths paper section by section, with the step marks from the marking scheme: CBSE Class 10 Maths sample paper 2026-27, explained.

Where the marks are

The Class 10 curriculum for 2026-27 gives each unit's share of the 80 theory marks. Give extra days to the heavy units.

About "important questions for 2027"

Nobody outside CBSE knows the 2027 questions. Lists sold as "sure-shot important questions" are guesses, and "leaked papers" are scams: before the 2026 exams CBSE publicly warned families about fake leak claims on social media and asked them to trust only its official channels. Three things really do predict your marks:

  1. The NCERT textbook. CBSE's prescribed books for Class 10 Maths include the NCERT textbook and the NCERT exemplar problems. NCERT publishes both Class 10 books free, chapter by chapter: Mathematics (14 chapters, from Real Numbers to Probability) and Science (13 chapters, from Chemical Reactions and Equations to Our Environment). Every exercise and example is fair game.
  2. The official sample papers and marking schemes. They show the question types and how marks are given.
  3. Your own list of mistakes. The questions you got wrong last month are the ones most likely to cost you marks again.

The 60-day plan

Once the date sheet is out, count 60 days back from your first paper. Until then, start when you believe you are about 60 days out, and move the plan when the dates arrive.

A typical day: two focused blocks of about 90 minutes for Maths and Science, one shorter block for Social Science or a language, and 20 minutes with your mistake list.

Days 1 to 20: one honest pass through every chapter

Days 21 to 40: learn how the paper asks

Days 41 to 54: full papers against the clock

Days 55 to 60: settle, do not cram

Shorter timed papers for speed practice

CMDLearn's free timed revision papers are marked in your browser: Class 10 Maths, two Science papers and a mixed paper, plus Class 9 Maths and Science, in English, Hindi and Marathi. They are laid out in 1, 2, 3 and 5-mark sections but are shorter than the real paper (45 to 60 minutes, no Section E case studies), they mark only the final answer, and the questions are our own and still waiting for teacher review. Use them between the official sample papers, not instead of them.

Extra practice, one chapter at a time

Between the official sample papers, CMDLearn's free Class 10 worksheets follow the NCERT Maths and Science chapters, in English, Hindi and Marathi, each with an answer key. The same questions can be answered on the practice page (pick Class 10), which marks them in your browser with no login. The questions are our own and still waiting for teacher review, and they are short practice, not board-style papers: use them alongside the official sample papers, not instead of them.

Where AI helps, and where it hurts

AI chatbots such as ChatGPT or Gemini, and the AI inside study apps, can be good revision partners. Used the wrong way, they take away the very skill the board exam tests: writing your own steps.

Where AI helps

Where AI hurts

One rule covers most of it: AI may explain and check; you do the writing. More on this in how to use ChatGPT for homework without cheating and how to judge any AI study app.

Sources

Official CBSE and NCERT documents, checked on 20 October 2026.

This guide is general information for students and parents. Always follow your school and the official CBSE notices.

CMDLearn is building an AI tutor for Classes 1 to 10 that explains and checks but leaves the writing to the child. It is still in development, and no child uses it yet. If you would like to hear when there is something to try, you can join the waitlist.