Percent Proportion

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 a percentage of a number?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What is the formula for percent proportion?

Back

The formula for percent proportion is: (part/whole) = (percent/100).

Front

If 5% of a number is 20, what is the number?

Back

To find the number, use the formula: whole = part / (percent/100). Here, whole = 20 / (5/100) = 400.

Tags

CCSS.6.RP.A.3C

Front

What is 90% of 120?

Back

90% of 120 is 108.

Tags

CCSS.6.RP.A.3C

Front

A student scored 85% on a test with 25 questions. How many questions did they answer correctly?

Back

The student answered 21 questions correctly.

Tags

CCSS.6.RP.A.3C

Front

What percent of 70 is 21?

Back

21 is 30% of 70.

Front

If Martin's class has 28 students and 25% are home sick, how many are sick?

Back

7 students are home sick.

Tags

CCSS.6.RP.A.3C

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 multiply by 100.

Front

What is the relationship between percent, fraction, and decimal?

Back

Percent is a fraction with a denominator of 100, and it can also be expressed as a decimal by dividing the percent by 100.