Percents

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you calculate the percent of a part compared to a whole?

Back

To calculate the percent, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What is 50% of 200?

Back

100

Front

If there are 20 students in a class and 5 are girls, what percent of the class are girls?

Back

25% (5/20 x 100 = 25%)

Front

What is 40% of 50?

Back

20

Front

How do you convert a fraction to a percent?

Back

Divide the numerator by the denominator and multiply by 100.

Front

What is 2/5 as a percent?

Back

40% (2 ÷ 5 x 100 = 40%)

Front

If a test has 30 questions and a student answers 15 correctly, what is their grade in percent?

Back

50% (15/30 x 100 = 50%)

Front

What is 150% of $20?

Back

$30 (1.5 x 20 = 30)

Front

If a class has 16 students and 4 are girls, what percent are boys?

Back

75% (12 boys out of 16 students = 12/16 x 100 = 75%)