 # CBSE Class 9 Maths Syllabus Deleted Portion 2021-22

## CBSE Class 9 Revised Syllabus for 2021-2022: Download the updated syllabus in PDF

CBSE cites the Covid pandemic to reduce syllabus.CBSE has published the revised syllabus for all subjects of Class 9. The board has rationalised the syllabus of all subjects up to 30%.  Many topics have been deleted from the original syllabus of each subject.CBSE Class 9 Maths Syllabus Deleted Portion 2021-22

All the CBSE students who entered class 9th this year must go through this latest syllabus to understand the course structure for the upcoming part of the current academic session and do their studies in an organised manner.

Students can also get here the NCERT Books and NCERT Solutions for all important subjects of class 9 that will help you in active learning while doing self-study at home.

CBSE Class 9 Syllabus For Maths recently saw scraping of some topics. Students in search of CBSE Class 9 Revised Syllabus for Maths can refer to this article.

## CBSE Class 9 Syllabus For Maths PDF 2020-21: Download New CBSE Maths Syllabus

### UNIT I-NUMBER SYSTEMS

CHAPTER NAME – REAL NUMBERS

TOPICS REMOVED – 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 NAME – POLYNOMIALS

TOPICS REMOVED – Motivate and State the Remainder Theorem with examples. Statement and proof of the Factor Theorem.  x3+y3+z3 -3xyz

CHAPTER NAME – LINEAR EQUATIONS IN TWO VARIABLES

TOPICS REMOVED – Examples, problems on Ratio and Proportion

### UNIT III-COORDINATE GEOMETRY

CHAPTER NAME – COORDINATE GEOMETRY

TOPICS REMOVED – No deletion

### UNIT IV-GEOMETRY

CHAPTER NAME – INTRODUCTION TO EUCLID’S GEOMETRY

TOPICS REMOVED – Delete the Chapter

CHAPTER NAME – LINES AND ANGLES

TOPICS REMOVED – No deletion

CHAPTER NAME – TRIANGLES

TOPICS REMOVED – 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

TOPICS REMOVED – No deletion

CHAPTER NAME – AREA

TOPICS REMOVED – Delete the Chapter

CHAPTER NAME – CIRCLES

TOPICS REMOVED – 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.

CHAPTER NAME – CONSTRUCTIONS

Construction of a triangle of given perimeter and base angles

### UNIT V-MENSURATION

CHAPTER NAME – AREAS

Application of Heron’s Formula in finding the area of a quadrilateral.

CHAPTER NAME – SURFACE AREAS AND VOLUMES

No deletion

### UNIT VI-STATISTICS & PROBABILITY

CHAPTER NAME – STATISTICS

TOPICS REMOVED – Histograms (with varying base lengths),

Frequency polygons.

Mean, median and mode of ungrouped data.

CHAPTER NAME – PROBABILITY

TOPICS REMOVED – No deletion

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