Summary Mathematics - Class IX - Activity Book

,KENDRIYA VIDYALAYA SANGATHAN, CHENNAI REGION




SUBJECT: MATHEMATICS




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ACTIVITY HANDBOOK- CLASS IX (2024-25)

,KENDRIYA VIDYALAYA SANGATHAN, CHENNAI REGION
CONTENTS


ACTIVITIES
1. Number system

I. To construct squarerootspiral

II. Representing Irrational Numbers onNumber line

2. Polynomials - To verify the algebraicidentity

I. (a+b)2geometrically

II. (a – b) 2 = a 2 – 2ab +b2

III. a2 – b2 = (a + b)(a–b)

3. Co-Ordinate Geometry

I. To find the values of abscissa and ordinates

of various points given in a Cartesian plane

II. To find the values of abscissa and ordinates of various points

given in a cartesian plane.

4. Linear Equations In Two variables

I. Use of Geo – Gebra



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ACTIVITY HANDBOOK- CLASS IX (2024-25)

, KENDRIYA VIDYALAYA SANGATHAN, CHENNAI REGION
5. Lines and Angles

I. Forming different lines and angles using geo board

II. Study of properties of parallel lines usinggeo board and rubber bands

III.Study the properties of intersecting lines

6. Triangles

I. Congruent figures by using different congruentplane figures of plastic or card board

II. Study of various criteria of congruence of Triangles

7. Quadrilaterals

I. Area of parallelogram

II. Study of properties of Parallelogram

8. Circle

I. Activity to identify the various parts of circles, like centre, radius, diameter, arc, chord, segment, sector etc. using the
circle board that is given in the mathematical kit obtained under PMSHRI scheme.

II. Activity to study various theorems of circles using circular board given in the mathematical kit procured under PM SHRI
scheme



9. Surface areas and Volumes




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ACTIVITY HANDBOOK- CLASS IX (2024-25)