Mastering Percentages

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It represents how much of something there is out of a total of 100.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 25% of 200, calculate 200 x 0.25 = 50.

Front

What is 25% of 200?

Back

50

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100. For example, 3/5 = (3 ÷ 5) x 100 = 60%.

Front

Convert 3/5 to a percentage.

Back

60%.

Front

What is the formula to find the percentage of a total?

Back

The formula is: (Part / Total) x 100 = Percentage.

Front

A class has 20 students, and 40% of them are girls. How many girls are in the class?

Back

8 girls.

Front

What percentage of 50 is 12.5?

Back

25%.

Front

What is 150% of a number?

Back

150% of a number means you take the number and add half of it to itself. For example, 150% of 16 is 16 + (16 x 0.5) = 24.

Front

What is 150% of 16?

Back

24.