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Let us discuss CBSE Sample Paper 2017-18 of Mathematics Class 10
There are 4 sections
| Section | How many marks? | Number of Questions | Total Marks |
| Section A | 1 marks each | 6 | 1 × 6 = 6 |
| Section B | 2 marks each | 6 | 2 × 6 = 12 |
| Section C | 3 marks each | 10 | 3 × 10 = 30 |
| Section D | 4 marks each | 8 | 4 × 8 = 32 |
| Total | 80 |
Marks per Chapter
According to CBSE Syllabus, the marks per unit is like this
| Units | Chapters of NCERT | Marks | |
| I. | Number System | Chapter 1 | 6 |
| II. | Algebra | Chapter 2, 3, 4, 5 | 20 |
| III. | Coordinate Geometry | Chapter 7 | 6 |
| IV. | Geometry | Chapter 6, 10, 11 | 15 |
| V. | Trigonometry | Chapter 8, 9 | 12 |
| VI. | Mensuration | Chapter 12, 13 | 10 |
| VII. | Statistics & Probability | Chapter 14, 15 | 11 |
| Total | 80 | ||
In this sample paper, lets see how many questions of which chapter are asked
| Chapter | 1 Mark Questions | 2 Mark Questions | 3 Mark Questions | 4 Mark Questions | Total Marks |
| Chapter 1 | 1 | 1 | 1 | 6 | |
| Chapter 2 | 1 | 3 | |||
| Chapter 3 | 1 | 1 | 5 | ||
| Chapter 4 | 1 | 1 | 5 | ||
| Chapter 5 | 1 | 1 | 1 | 7 | |
| Chapter 6 | 1 | 1 | 1 | 8 | |
| Chapter 7 | 1 | 1 | 1 | 6 | |
| Chapter 8 | 1 | 1 | 1 | 8 | |
| Chapter 9 | 1 | 4 | |||
| Chapter 10 | 1 | 3 | |||
| Chapter 11 | 1 | 4 | |||
| Chapter 12 | 1 | 3 | |||
| Chapter 13 | 1 | 1 | 7 | ||
| Chapter 14 | 1 | 1 | 7 | ||
| Chapter 15 | 2 | 4 | |||
| Total | 80 |
Points to be noted about marking
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1 mark question has no step marking. If the answer is wrong, 1 mark is cut.
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Writing units is important or half marks is cut, eg: x =3 is wrong, x = 3 metre is right.
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Formula of all chapters has 1/2 marks
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Formula of Statistics (Chapter 14) has 1 mark
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In Chapter 9 Heights and Distances, 1 mark is given for correct figure
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1 Question of Theorem will come. (Of Chapter 6 or 10)
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1 4-Marks question of Construction will come
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In Construction Question - Writing steps has no marks, just make the figure
- NCERT Questions are very important - 6 Questions out of 30 have come straight from NCERT. 3 Questions are similar to NCERT
