Percentages

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of a whole is being considered.

Front

How do you calculate the percentage of a number?

Back

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

Front

What is the formula to find the whole when given a part and a percentage?

Back

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

Front

If 78 is 17% of a number, how do you find that number?

Back

To find the number, use the formula: Number = Part / (Percentage / 100). In this case, Number = 78 / (17 / 100) = 458.82.

Front

What is the equivalent decimal of 14%?

Back

The equivalent decimal of 14% is 0.14.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100 and add the percent sign. For example, 0.14 x 100 = 14%.

Front

What does it mean if a shape is 65% shaded?

Back

It means that 65 out of every 100 equal parts of the shape are shaded.

Front

What is the total percentage of all parts in a whole?

Back

The total percentage of all parts in a whole must equal 100%.

Front

If 40% of children prefer football and 30% prefer basketball, what percentage prefers volleyball?

Back

If 40% prefer football and 30% prefer basketball, then 100% - (40% + 30%) = 30% prefer volleyball.

Front

How do you find the number of children who prefer volleyball if 300 children attend the club?

Back

To find the number of children who prefer volleyball, calculate 30% of 300: 0.30 x 300 = 90 children.