Percent Proportions

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 correct answers?

Back

Percentage = (Number of Correct Answers / Total Number of Questions) x 100.

Front

If a student answers 18 out of 20 questions correctly, what is their percentage score?

Back

90%.

Front

What does it mean to express a number as a decimal?

Back

Expressing a number as a decimal means writing it in a base-10 format, where the whole number is separated from the fractional part by a decimal point.

Front

Convert 1/4 to a percent.

Back

25%.

Front

What is the relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. They can be converted from one form to another.

Front

How do you find the percent of a quantity?

Back

To find the percent of a quantity, multiply the quantity by the percent (as a decimal).

Front

If 60% of a class of 30 students passed a test, how many students passed?

Back

18 students.

Front

What is the percent of colored socks if Joey has 8 pairs and 5 are white?

Back

37.5%.