Part Whole Percent

Front

What is a percent?

Back

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

Front

How do you find the whole when given a part and a percent?

Back

To find the whole, divide the part by the percent (in decimal form). For example, if 20% of a whole is 16, the whole is 16 ÷ 0.20 = 80.

Front

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

Back

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

Front

If 45% of a fence is painted and 90 feet have been painted, how do you find the total length of the fence?

Back

Use the formula: Total Length = Part / Percent. Here, Total Length = 90 feet / 0.45 = 200 feet.

Front

What does it mean if 60% of a pet shop's animals are dogs?

Back

It means that out of all the animals in the shop, 60 out of every 100 are dogs.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 75% becomes 0.75.

Front

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

Back

The part is a portion of the whole, and the percent represents how much of the whole the part is.

Front

If there are 448 students in total and 336 are 11 years old, how do you find the percent of 11-year-olds?

Back

Use the formula: Percent = (Part / Whole) × 100. Here, Percent = (336 / 448) × 100 = 75%.

Front

What is the total number of animals if 60% are dogs and there are 42 dogs?

Back

Total Animals = Part / Percent. Here, Total Animals = 42 / 0.60 = 70.

Front

Is it true that the part is always above 100?

Back

False. The part can be less than, equal to, or greater than 100 depending on the context.