Lesson Worksheet: Finding Percents Mentally Mathematics

In this worksheet, we will practice finding percents mentally by using a fraction or decimals.

Q1:

If David answered 60% of the questions on his quiz correctly, and the quiz had 10 questions, determine the number of questions he answered correctly.

Q2:

Determine the total cost for a shirt if its regular price is $24 and the sales tax is 712%.

Q3:

The value of Sophia’s car, which was $1,200, has decreased by 15%. What is her car worth now?

Q4:

Given a student answers 50% of the questions on an exam correctly and 10 questions incorrectly, what was the total number of questions on the exam?

Q5:

If there is a 20% discount on a TV set, calculate the percentage by which the sale price must be increased in order to get the original price.

Q6:

By dividing by 4, calculate 25% of 900 mentally.

Q7:

By dividing by 2, calculate 50% of 32 mentally.

Q8:

By dividing by 10 and then multiplying by 3, calculate 30% of 90 mentally.

Q9:

The school football team won 60% of their matches. If they played 10 matches, how many matches did they lose?

Q10:

A student needs to get 70% on a mathematics exam to pass. If he answers 15 questions correctly out of 30, how many questions more does he need to answer correctly?

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.