Percent of a Number

Front

What is the formula to calculate the percent of a number?

Back

Percent of a number = (Part / Whole) x 100

Front

If a student answers 15 out of 20 questions correctly, what percent did they get right?

Back

75%

Front

What does it mean to find 20% of a number?

Back

Finding 20% of a number means calculating one-fifth of that number.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and multiply by 100.

Front

What is 50% of 200?

Back

100

Front

If 60% of a class of 30 students are girls, how many girls are there?

Back

18 girls

Front

What is the relationship between percent, fraction, and decimal?

Back

Percent = Fraction x 100; Decimal = Fraction / Denominator.

Front

How do you find what percent one number is of another?

Back

Divide the part by the whole and multiply by 100.

Front

What is 10% of 150?

Back

15

Front

If a store is having a 25% off sale, how do you calculate the sale price of a $40 item?

Back

Sale price = Original price - (25% of Original price) = $40 - $10 = $30.