Percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100.

Front

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

Back

The formula to calculate the percentage of a number is: (Part/Whole) x 100.

Front

How do you calculate the total cost including tax?

Back

To calculate the total cost including tax, multiply the original price by the tax rate (as a decimal) and add it to the original price.

Front

If 3 out of 30 students forgot their report cards, how do you find the percentage?

Back

To find the percentage, divide the number of students who forgot by the total number of students and multiply by 100: (3/30) x 100 = 10%.

Front

What is the relationship between a part and a whole in percentage calculations?

Back

In percentage calculations, the part is the quantity being compared to the whole, which represents the total amount.

Front

How do you find what number a given percentage is of?

Back

To find what number a given percentage is of, divide the part by the percentage (as a decimal). For example, if 75 is 15%, then 75 / 0.15 = 500.

Front

What does it mean to miss a question on a quiz in terms of percentage?

Back

Missing a question on a quiz means that the number of questions answered incorrectly can be expressed as a percentage of the total questions.

Front

How do you calculate the number of questions missed if you know the percentage correct?

Back

To calculate the number of questions missed, subtract the number of correct answers from the total number of questions.

Front

What is the significance of understanding percents in everyday life?

Back

Understanding percents is important for making informed decisions in shopping, finance, and statistics.