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

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

Back

To find the part, multiply the whole by the percent (as a decimal). For example, to find 20% of 60, calculate 60 * 0.20 = 12.

Front

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

Back

The formula is: Whole = Part / (Percent as a decimal). For example, if 12 is 20% of the whole, then Whole = 12 / 0.20 = 60.

Front

How do you calculate the percent when given the part and the whole?

Back

To find the percent, use the formula: Percent = (Part / Whole) * 100. For example, if there are 15 boys in a class of 25, Percent = (15 / 25) * 100 = 60%.

Front

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

Back

The part is a portion of the whole, and the percent represents how much of the whole the part is. They are related by the formulas: Part = Whole * Percent and Percent = (Part / Whole) * 100.

Front

If 80% of students love using proportions and 520 students love it, how do you find the total number of students?

Back

Use the formula: Total Students = Part / (Percent as a decimal). Total Students = 520 / 0.80 = 650.

Front

What is 30% of 60?

Back

30% of 60 is calculated as 60 * 0.30 = 18.

Front

If I.M. Cruizin answers 95% of 60 questions correctly, how many questions did he answer correctly?

Back

He answered 57 questions correctly, calculated as 60 * 0.95 = 57.

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 percent increase formula?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100.