Part - Whole - Percent Practice

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 ratios.

Front

What is a Whole?

Back

A whole refers to the total amount or the complete set of items being considered.

Front

What is a Part?

Back

A part is a portion or segment of a whole. It represents a subset of the total.

Front

How do you calculate a percent of a number?

Back

To calculate a percent of a number, multiply the number by the percent (as a decimal). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

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

Back

The formula is: Whole = Part / (Percent / 100). For example, if 30 is 60% of a whole, then Whole = 30 / (60 / 100) = 50.

Front

If 25 is 50% of a number, what is the number?

Back

The number is 50, because 25 is half of 50.

Front

What does it mean if a number is 100% of another number?

Back

If a number is 100% of another number, it means it is equal to that number.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and then multiply by 100.

Front

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

Back

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

Front

If 40% of a number is 20, what is the number?

Back

The number is 50, because 20 is 40% of 50.