Since CBSE has revised the syllabus of all subjects of Class 9, it becomes quite necessary for students to know the topics and chapters removed from the previous syllabus so that they do not study the irrelevant content. Knowing the deleted syllabus will help students to make the right plan for preparing other topics properly. This will help them in carrying out productive study sessions while being at home. Check below the complete list of the topics/chapters removed from the CBSE Class 9 Maths Syllabus.
Also Check: CBSE 9th Maths Annual Exam 2021 - Check Best 5 Tips with Important Resources for High Score in Exam
CBSE Class 9 Mathematics (041) - Deleted portion:
| UNIT I-NUMBER SYSTEMS |
|
| Chapter |
Topics |
| REAL NUMBERS |
· Representation of terminating / non-terminating recurring decimals on the number line through successive magnification. · Explaining that every real number is represented by a unique point on the number line and conversely, viz. every point on the number line represents a unique real number. · Definition of nth root of a real number. |
| UNIT II-ALGEBRA |
|
| Chapter |
Topics |
| POLYNOMIALS |
· Motivate and State the Remainder Theorem with examples. Statement and proof of the Factor Theorem. · x3+y3+z3-3xyz |
| LINEAR EQUATIONS IN TWO VARIABLES |
Examples, problems on Ratio and Proportion |
| UNIT III-COORDINATE GEOMETRY |
|
| Chapter |
Topics |
| COORDINATE GEOMETRY |
No deletion |
| UNIT IV-GEOMETRY |
|
| Chapter |
Topics |
| INTRODUCTION TO EUCLID'S GEOMETRY |
Delete the Chapter |
| LINES AND ANGLES |
No Deletion |
| TRIANGLES |
Proof of the theorem deleted- Two triangles are congruent if any two angles and the included side of one triangle is equal to any two angles and the included side of the other triangle (ASA Congruence). Topic Deleted-Triangle inequalities and relation between ‘angle and facing side' inequalities in triangles |
| QUADRILATERALS |
No deletion |
| AREA |
Delete the Chapter |
| CIRCLES |
There is one and only one circle passing through three given non-collinear points. If a line segment joining two points subtends equal angle at two other points lying on the same side of the line containing the segment, the four points lie on a circle. |
| CONSTRUCTIONS |
Construction of a triangle of given perimeter and base angles |
| UNIT V- Mensuration |
|
| Chapter |
Topics |
| UNIT VI-MENSURATION |
|
| AREA |
Application of Heron’s Formula in finding the area of a quadrilateral. |
| SURFACE AREAS AND VOLUMES |
No deletion |
| UNIT VI-STATISTICS & PROBABILITY |
|
| Chapter |
Topics |
| STATISTICS |
· Histograms (with varying base lengths), · Frequency polygons. · Mean, median and mode of ungrouped data. |
| PROBABILITY |
No deletion |
Also Check - CBSE Class 9 Maths & Science Exam 2021 - Check Chapter-Wise Important Topics and Questions
Here, you can also check the revised and latest syllabus of CBSE Class 9 Maths. With this syllabus, you will get to know the complete course content that you need to study in the current academic session and prepare the same for the year-end annual exam. Check the complete syllabus from the link given below:
Important* CBSE Class 9 Maths Complete Study Package for Annual Exam 2021
