The Calculation of Marks for Class 10 CBSE Board Exams

To understand how the marks for Class 10 CBSE board exams are calculated, let's break down the process step by step:

1. Internal Assessment (IA) Marks:
Internal Assessment carries 20 marks. It consists of periodic tests, notebooks, subject enrichment activities, and practical work. The marks obtained in the IA are provided by the school based on the student's performance throughout the academic year.

2. Theory Marks:
The theory marks account for 80% of the total marks. They are further divided into two components:

a. Board Examination:
The board examination is conducted by the Central Board of Secondary Education (CBSE). It consists of a written examination in which students need to answer questions from different subjects. The total marks for the board examination vary for each subject and are mentioned in the question paper.

b. Internal Assessment:
Apart from the marks obtained in the IA, a small portion of the theory marks is reserved for internal assessment. This is based on the student's performance in periodic tests, assignments, and activities conducted by the school throughout the academic year.

3. Overall Calculation:
To calculate the overall marks, the marks obtained in the Internal Assessment (IA) and the theory marks are combined. The weightage for IA is 20% and for the board examination is 80%. The final marks are calculated as follows:

Final Marks = (IA Marks × 0.2) + (Theory Marks × 0.8)

4. Conversion of Marks:
After the marks are calculated, they are converted to grades and grade points based on the pre-determined grading system provided by CBSE. The grading system ranges from A1 to E, with A1 being the highest grade and E being the lowest. The grade points range from 10 to 4, with 10 being the highest and 4 being the lowest.

5. Cumulative Grade Point Average (CGPA):
The CGPA is calculated by taking the average of the grade points obtained in all subjects, excluding the 6th subject. It provides an overall assessment of the student's performance throughout the academic year.

Conclusion:
The marks for Class 10 CBSE board exams are calculated by considering the Internal Assessment (IA) marks, board examination marks, and the weightage assigned to each component. These marks are then converted to grades and grade points. The CGPA is calculated based on the grade points obtained in all subjects, providing an overall evaluation of the student's performance.