Part, Whole and Percent

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add the percent symbol. For example, 0.81 x 100 = 81%.

Front

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

Back

The formula to find the percent of a number is: (Part/Whole) x 100 = Percent.

Front

Convert 1/4 to a percent.

Back

1/4 = 0.25, and 0.25 x 100 = 25%.

Front

If Greg answered 9 out of 12 questions correctly, what percent did he score?

Back

(9/12) x 100 = 75%.

Front

If 75 students represent 5% of the total students, how do you find the total number of students?

Back

Total Students = Part / Percent = 75 / 0.05 = 1500 students.

Front

What does it mean if a shirt is on sale for 40% off?

Back

It means you will save 40% of the original price when you buy the shirt.

Front

How much money will Paul save if a shirt costs $20 and is 40% off?

Back

Savings = 40% of $20 = 0.40 x 20 = $8.

Front

What is the relationship between part, whole, and percent?

Back

The relationship is defined by the formula: Percent = (Part/Whole) x 100.

Front

How do you find the part when you know the whole and the percent?

Back

Part = (Percent/100) x Whole.