**CBSE Class 9 Maths Lab Manual**

- Activity-1 – An Irrational Number
- Activity-2 – Square Root Spiral
- Activity-3 – Algebraic Identity (a + b)
^{2}= a^{2}+ 2ab + b^{2} - Activity-4 – Algebraic Identity (a – b)
^{2}= a^{2}– 2ab + b^{2} - Activity-5 – Quadratic Polynomials
- Activity-6 – Algebraic Identity (a
^{2}– b^{2}) = (a – b) (a + b) - Activity-7 – Algebraic Identity (a
^{3}+ b^{3}) = (a + b) (a^{2}– ab + b^{2}) - Activity-8 – Algebraic Identity (a + b)
^{3}= a^{3}+ b^{3}+ 3a^{2}b + 3ab^{2} - Activity-9 – Algebraic Identity (a
^{3}– b^{3}) = (a – b) (a^{2}+ ab + b^{2}) - Activity-10 – Coordinate Geometry
- Activity-11 – Graph of Linear Equation
- Activity-12 – Mid-point and Perpendicular Bisector of a Line Segment
- Activity-13 – Equal Division of a Line Segment
- Activity-14 – Division of a Paper Strip in Equal Parts
- Activity-15 – Relations of Inequalities in Triangles
- Activity-16 – Parallelogram
- Activity-17 – Quadrilateral Formed by Joining Mid-points of Sides of a Quadrilateral
- Activity-18 – Mid-point Theorem
- Activity-19 – Comparison of Diagonals in Different Quadrilaterals
- Activity-20 – Area of a Parallelogram
- Activity-21 – Area of Parallelograms on the Same Base and between the Same Parallels
- Activity-22 – Areas of Two Triangles on the Same Base and between the Same Parallels
- Activity-23 – Angle at Centre is Double the Angle Subtended by Same Arc at Any Point on Circumference of Circle
- Activity-24 – Angles in the Same Segment
- Activity-25 – Property of Cyclic Quadrilateral
- Activity-26 – Angle in a Semicircle, Major Segment, Minor Segment

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