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