Class 9 Mathematics Chapter 101: Annual Paper 1 - Part I Syllabus
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- English
How to sit Paper 1
Key points
The paper carries 80 marks over three hours, in 38 compulsory questions.
Its five sections are split by question type, not by chapter.
Section A is Q1 to Q20: eighteen multiple-choice and two assertion-reason, 1 mark each.
Section B is Q21 to Q25, five questions of 2 marks.
Section C is Q26 to Q31, six questions of 3 marks.
Section D is Q32 to Q35, four long answers of 5 marks.
Section E is Q36 to Q38, three case studies of 4 marks split 1, 1 and 2.
The 2-mark part of every case study offers a choice between two tasks.
Sections B, C and D each carry two questions with an internal choice.
Only the first attempt at a choice is marked.
Marks are awarded for steps, so working must be shown.
Impossible roots must be rejected with a reason.
Use pi as 22/7 unless the question says otherwise.
Calculators are not permitted.
Section D alone is worth a quarter of the paper.
Leave five minutes to check signs, units and rejected roots.
Full explanation
What this paper is
This is a full annual-examination paper for Class 9 Mathematics: 80 marks, three hours, 38 questions in five sections split by question type, exactly as the board sets its paper. It covers the eight chapters of Ganita Manjari Part I (Part II is not yet published).
It is not a chapter test. Its value is in making you switch between algebra, geometry, trigonometry and statistics against the clock - the one thing a chapter test never asks.
The blueprint
| Section | Questions | Type | Each | Total |
|---|---|---|---|---|
| A | Q1-Q18 | Multiple choice | 1 | 18 |
| A | Q19-Q20 | Assertion-reason | 1 | 2 |
| B | Q21-Q25 | Very short answer | 2 | 10 |
| C | Q26-Q31 | Short answer | 3 | 18 |
| D | Q32-Q35 | Long answer | 5 | 20 |
| E | Q36-Q38 | Case study (1 + 1 + 2) | 4 | 12 |
| 38 | 80 |
What this particular paper leans on
Part I only. Number system through rationals, decimals and a proof of the irrationality of root 5; algebra across linear relationships, square and cube identities and sequences (AP, GP, a fractal); distance and collinearity; chords and cyclic quadrilaterals; Heron and Brahmagupta; and probability by counting, by experiment and by tree diagram.
How to spend the three hours
- 15 minutes reading, deciding now which option you will take on every internal choice.
- 30 minutes on Section A. Twenty one-markers at about ninety seconds each; if a question needs a page of working, it is not a one-marker and you have misread it.
- 25 minutes on Section B and 40 minutes on Section C.
- 45 minutes on Section D - four long answers, the biggest block of marks in the paper.
- 20 minutes on the three case studies, then 5 minutes checking signs, units and that every root you rejected was rejected for a stated reason.
Where marks are lost
- Answers without working. Maths is marked in steps; a bare final answer to a 3-marker can earn one mark out of three.
- Answering both options. Only the first attempt is marked.
- Not rejecting impossible roots. A negative length, age or speed must be struck out, and the marking scheme gives a mark for saying why.
- Dropping units in mensuration, and leaving $\pi$ unsubstituted when the question says to use $\frac{22}{7}$.
- Skipping the case study because the passage is long. Its first two parts are usually the easiest marks in the paper.
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