How to Score 90+ in Class 10 Maths: A Complete Strategy for CBSE Students

Scoring 90+ in Class 10 Mathematics is not about being 'naturally good at Maths'. Every year, thousands of average students cross 90 simply because they prepare in the right order: understand the concept, practise the NCERT exercise, revise the formula, and then attempt questions under exam conditions. This guide gives you that order, chapter by chapter, along with the mistakes that quietly cost students 8–10 marks in the board exam.

1. Understand how the CBSE Maths paper is actually built

You cannot plan a 90+ score without knowing where the marks come from. The Class 10 Mathematics paper is spread across multiple-choice questions, very short and short answer questions, long answer questions and case-study based questions. Roughly 20% of the paper rewards pure recall (formulas, definitions, direct substitution), about 60% rewards standard practised methods, and the remaining part tests whether you can read a real-life situation and convert it into an equation.

• Objective and one-mark questions: fast marks, but only if your formulas are exact.
• Short answer questions: full method marks are given for correct steps, so never skip steps.
• Long answer questions: usually from Trigonometry, Surface Areas and Volumes, Triangles, Circles, Statistics and Quadratic Equations.
• Case-study questions: one paragraph of context followed by sub-questions of increasing difficulty.

2. Finish NCERT completely — twice

The board paper is built on NCERT. Almost every long answer question is either an NCERT exercise question, an NCERT example, or a small variation of one. The students who lose marks are usually the ones who jumped to reference books before finishing the textbook.

1. 1First round: read the concept, then solve every solved example on your own without looking at the solution.
2. 2Second round: solve every exercise question in order, marking the ones you got wrong with a red dot.
3. 3Third round (revision): re-solve only the red-dot questions. This is where the real improvement happens.

Which chapters deserve extra time?

3. Build a formula sheet you actually revise

Most 85-to-89 scores are caused by formula errors, not by difficult questions. Maintain a single notebook — four pages per chapter maximum — with only formulas, theorem statements and standard results. Revise it for ten minutes every night. By January you will have revised each formula more than a hundred times, and recall in the exam hall becomes automatic.

4. Practise with worksheets, not with your eyes

Reading a solved solution feels productive but teaches very little. Mathematics improves only when your hand solves the question and your mistake is corrected. Aim for one worksheet per chapter after the first NCERT round, and a second worksheet during revision.

5. Use MCQ tests to fix silly mistakes

Objective questions expose exactly which concept is shaky, and they take only a few minutes. Take one chapter test after finishing each chapter, then read the explanation for every question you got wrong — including the ones you guessed correctly.

6. Master case-study based questions

Case-study questions frighten students because the Maths is hidden inside a paragraph. The method is always the same: read the passage twice, write down the given values, decide which chapter the situation belongs to, and only then start calculating. The mathematics itself is rarely harder than an NCERT exercise question.

7. Solve full sample papers under a timer

From December onwards, one complete paper per week in a single three-hour sitting is the single highest-value habit for a 90+ score. Do not check answers midway. Solve, submit to yourself, then evaluate strictly and note the marks lost in each section.

• Weeks 1–2: previous years' board papers to understand language and level.
• Weeks 3–6: sample and pre-board papers with strict three-hour timing.
• Final week: only revision of your own mistake list and the formula sheet.

8. Exam-hall time management

1. 1Use the 15-minute reading time to mark the questions you can answer immediately.
2. 2Start with the section you are strongest in to build confidence and save time.
3. 3Give roughly one minute per mark and leave 15 minutes at the end for checking.
4. 4Draw neat, labelled figures — examiners award marks for correct construction and given/to prove.
5. 5Never leave a question blank. Partial method marks are real marks.

9. Mistakes that quietly cost 8–10 marks

• Skipping steps to save time — method marks disappear with the steps.
• Not writing units in mensuration and statistics answers.
• Learning theorems by shape instead of by statement.
• Practising only easy questions from each chapter.
• Leaving Statistics and Probability for the last week even though they are highly scoring.
• Reading solutions instead of solving questions.

10. A weekly routine that works

Consistency beats intensity. Ninety minutes of focused Maths every day will always outperform a six-hour session once a week.

Final word

A 90+ score in Class 10 Mathematics comes from a simple loop repeated all year: understand, solve, correct, revise. Finish NCERT thoroughly, keep one formula sheet, practise worksheets and MCQ tests chapter by chapter, add case studies and full sample papers in the final months, and be careful with presentation in the exam hall. Follow this plan honestly for a few months and the marks will follow.