Percents, Percents, Percents!!

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.

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How do you calculate percent change?

Back

Percent change is calculated using the formula: ((New Value - Old Value) / Old Value) x 100. This gives the percentage increase or decrease from the old value to the new value.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for percent increase?

Back

Percent increase is calculated using the formula: ((New Value - Old Value) / Old Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for percent decrease?

Back

Percent decrease is calculated using the formula: ((Old Value - New Value) / Old Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

If a price decreases from $80 to $60, what is the percent decrease?

Back

Percent decrease = ((80 - 60) / 80) x 100 = 25%.

Tags

CCSS.6.RP.A.3C

Front

If a population increases from 200 to 250, what is the percent increase?

Back

Percent increase = ((250 - 200) / 200) x 100 = 25%.

Tags

CCSS.6.RP.A.3C

Front

What does it mean if a value increases by 50%?

Back

If a value increases by 50%, it means the new value is 150% of the original value.

Tags

CCSS.6.RP.A.3C

Front

What does it mean if a value decreases by 30%?

Back

If a value decreases by 30%, it means the new value is 70% of the original value.

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.

Front

What is the percent of 25 out of 200?

Back

Percent = (25 / 200) x 100 = 12.5%.