Math Labs for CBSE Class 9
- Activity 1 – Divide a Line Segment into Number of Equal Parts
- Activity 2 – Divide a Thin Strip of Paper into Number of Equal Parts
- Activity 3 – Represent an Irrational Number on the Number Line
- Activity 4 – Verify the Identity a³ + b³ =(a+b)(a² -ab+b²)
- Activity 5 – Verify the Identity a³ – b³ =(a-b)(a² + ab+b²)
- Activity 6 – Verify the Identity (a+b)³ =a³ + 3a²b + 3ab² +b³
- Activity 7 – Verify the Identity (a-b)³ =a³ – 3a²b + 3ab² -b³
- Activity 8 – Verify the Identity (a² – b²) = (a+b)(a-b) (Method 1)
- Activity 9 – Verify the Identity (a² – b²) = (a+b)(a-b) (Method 2)
- Activity 10 – Verify the Identity (a+b)² = (a² + 2ab+b²)
- Activity 11 – Verify the Identity (a-b)² = (a² – 2ab+b²)
- Activity 12 – Interpret Geometrically the Factors of a Quadratic Expression
- Activity 13 – Verify that the Sum of any Two Sides of a Triangle
- Activity 14 – Draw a Parallelogram Whose Two Adjacent Sides are-Given
- Activity 15 – Find the Centroid of a Given Triangle
- Activity 16 – Find the Orthocentre of a Given Triangle
- Activity 17 – Find the Incentre of a Given Triangle
- Activity 18 – Explore the Various Criteria for Congruency of Triangles
- Activity 19 – Find the Circumcentre of a Given Triangle
- Activity 20 – Verify the Properties of the Sides and Angles of a Parallelogram
- Activity 21 – Verify the Properties of the Diagonals of a Parallelogram
- Activity 22 – Verify the Midpoint Theorem
- Activity 23 – Verify that the Quadrilateral Formed by Joining the Midpoints
- Activity 24 – Verify the Properties of a Trapezium
- Activity 25 – Find the Area of Geometric Figures by Using a Geoboard
- Activity 26 – Derive a Formula for Finding the Area of a Parallelogram
- Activity 27 – Derive a Formula for Finding the Area of a Triangle
- Activity 28 – Derive a Formula for Finding the Area of a Rhombus (Method 1)
- Activity 29 – Derive a Formula for Finding the Area of a Rhombus (Method 2)
- Activity 30 – Derive a Formula for Finding the Area of a Trapezium
- Activity 31 – Obtain the Mirror Image of a Given Geometrical Figure
- Activity 32 – Derive a Formula for Finding the Area of a Circle (Method 1)
- Activity 33 – Derive a Formula for Finding the Area of a Circle (Method 2)
- Activity 34 – Determine the Total Surface Area
- Activity 35 – Verify Euler’s Formula for Various Polyhedra
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