Percent Word Problems

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

Front

How do you calculate the percent of a part compared to a whole?

Back

To calculate the percent of a part compared to a whole, use the formula: (Part/Whole) x 100. For example, if you have 20 apples out of 100, the percent is (20/100) x 100 = 20%.

Front

What does it mean if a team won 68% of their games?

Back

It means that out of all the games played, 68 out of every 100 games were won by the team.

Tags

CCSS.6.RP.A.3C

Front

If Dana has 4 cavities in 32 teeth, how do you find the percent of teeth without cavities?

Back

First, find the number of teeth without cavities: 32 - 4 = 28. Then, use the formula: (28/32) x 100 = 87.5%.

Front

What is the formula to find the percent increase?

Back

The formula for percent increase is: ((New Value - Original Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the percent decrease?

Back

The formula for percent decrease is: ((Original Value - New Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

If a shirt costs $40 and is on sale for $30, what is the percent decrease in price?

Back

Percent decrease = ((40 - 30) / 40) x 100 = 25%.

Tags

CCSS.6.RP.A.3C

Front

What is a real-life example of using percent?

Back

Calculating sales tax, discounts during shopping, or determining grades in school are all examples of using percent in real life.

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 numerator by the denominator and then multiply by 100. For example, 1/4 = (1 ÷ 4) x 100 = 25%.

Front

What does it mean if 12.5% of a class failed a test?

Back

It means that out of every 100 students, approximately 12.5 students did not pass the test.