Portal:Mathematics/Topics
Classroom resources
Find here mind maps, activities, video and multimedia resources for science lessons in Class 9.The resources have been developed to help build conceptual understanding and have been arranged according to the chapters in the textbook.
Mathematics foundational materials please Click here
For typing formula on KOER, please click here.
For Question papers and CCE activities please click here
For solved problems please click here
For additional resources and teaching activities click below:
- Permutations and Combinations
- Progressions
- Graphs And Polyhedra
- Probability
- Polynomials
- Circles Chord Properties
- Circles Tangent Properties
- Sets
- Activity for Co-ordinate Geometry
- Mensuration
- Trigonometry
- Simultaneous_Linear_Equations
- Triangles
- Congruence of Triangles
- Similar Triangles
- Concurrency in triangles
- Circles
- Quadrilaterals