Percents, Percents, 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.

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How do you calculate a percent of a number?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What is the formula for percent increase?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What is the formula for percent decrease?

Back

Percent Decrease = ((Old Value - New Value) / Old Value) * 100.

Tags

CCSS.6.RP.A.3C

Front

If 25% of a number is 50, what is the number?

Back

The number is 200. (50 / 0.25 = 200)

Tags

CCSS.6.RP.A.3C

Front

What is 10% of 200?

Back

10% of 200 is 20. (200 * 0.10 = 20)

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 multiply by 100.

Front

What is 50% of 80?

Back

50% of 80 is 40. (80 * 0.50 = 40)

Tags

CCSS.6.RP.A.3C

Front

What is the percent change if a price goes from $40 to $50?

Back

The percent change is 25%. ((50 - 40) / 40) * 100 = 25%.

Tags

CCSS.6.RP.A.3C

Front

If a shirt costs $30 and is on sale for $24, what is the percent discount?

Back

The percent discount is 20%. ((30 - 24) / 30) * 100 = 20%.

Tags

CCSS.6.RP.A.3C