Understanding mathematical concepts can sometimes be challenging for students, but there are several online resources and websites that can help in learning and comprehending these concepts effectively for CBSE Class 9. One such resource is EduRev.

1. EduRev:
EduRev is an online platform that provides comprehensive study material, video lectures, practice questions, and other resources for various subjects, including mathematics. It offers a wide range of content specifically designed for CBSE Class 9 students. The platform is user-friendly and visually appealing, making it easier for students to navigate and access the required information.

EduRev provides the following resources for understanding mathematical concepts:

a. Study Material:
EduRev offers well-structured and concise study material for CBSE Class 9 mathematics. The study material covers all the chapters and topics prescribed by the CBSE curriculum. It includes detailed explanations, examples, and solved problems, which help in understanding the concepts thoroughly.

b. Video Lectures:
The platform also provides video lectures by experienced teachers. These video lectures visually explain various mathematical concepts, making it easier for students to grasp the concepts. The teachers use illustrations, diagrams, and real-life examples to simplify complex topics.

c. Practice Questions:
EduRev offers a vast collection of practice questions with solutions. These practice questions help students in reinforcing their understanding of mathematical concepts. By solving these questions, students can assess their knowledge and identify areas where they need improvement.

d. Previous Year Question Papers:
EduRev provides access to previous year question papers for CBSE Class 9 mathematics. Solving these papers gives students an idea about the pattern of the exam and helps them in practicing and familiarizing themselves with the type of questions asked.

e. Discussion Forum:
EduRev has a discussion forum where students can post their doubts and queries related to mathematical concepts. Other students or teachers can then provide answers and explanations, facilitating a collaborative learning environment.

Overall, EduRev is a reliable online resource that can greatly assist CBSE Class 9 students in understanding mathematical concepts effectively. It offers a variety of study material, video lectures, practice questions, and a discussion forum, all of which contribute to a comprehensive learning experience.