Add all the marks together
Count the total number of marks
Divide the total sum by the number of marks
Use the formula: Average = Total of marks ÷ Number of marks
Example: If the marks are 80, 90, and 70, then Average = (80 + 90 + 70) ÷ 3 = 80
Add all the marks together
Count the total number of marks
Divide the total sum by the number of marks
Use the formula: Average = Total of marks ÷ Number of marks
Example: If the marks are 80, 90, and 70, then Average = (80 + 90 + 70) ÷ 3 = 80