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Math Labs for CBSE Class 9

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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