Percentage Mastery

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

Front

How do you calculate a percentage of a number?

Back

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

Front

What is 25% of 200?

Back

50

Front

What is 15% of 80?

Back

12

Front

If 44% of the students in a class like chocolate ice cream, how do you find the total number of students if 11 like chocolate ice cream?

Back

To find the total number of students, divide the number of students who like chocolate ice cream by the percentage (as a decimal). 11 ÷ 0.44 = 25.

Front

What is the formula to find the percentage of a part compared to a whole?

Back

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

Front

In a class of 30 dogs, if 6 are certified as service dogs, what percentage of dogs became certified?

Back

20% (calculated as (6/30) x 100).

Front

A fruit basket contains 200 fruits, with 60 being apples. What percentage of the fruits are apples?

Back

30% (calculated as (60/200) x 100).

Front

What does it mean if a percentage is greater than 100%?

Back

A percentage greater than 100% indicates that the part is larger than the whole.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.