Percent of Changer/Percent of Error

Front

What is percent of change?

Back

Percent of change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent of change?

Back

Percent of change = ((New Value - Original Value) / Original Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

What does a positive percent of change indicate?

Back

A positive percent of change indicates an increase in value.

Tags

CCSS.6.RP.A.3C

Front

What does a negative percent of change indicate?

Back

A negative percent of change indicates a decrease in value.

Tags

CCSS.6.RP.A.3C

Front

What is percent error?

Back

Percent error is a measure of how inaccurate a measurement is, expressed as a percentage of the true value.

Front

How do you calculate percent error?

Back

Percent error = (|Estimated Value - Actual Value| / Actual Value) x 100.

Tags

CCSS.6.RP.A.3C

Front

What is absolute error?

Back

Absolute error is the difference between the estimated value and the actual value.

Front

How do you find the absolute error?

Back

Absolute error = |Estimated Value - Actual Value|.

Tags

CCSS.7.NS.A.1C

Front

If a car's value decreases from $9559 to $8500, what is the percent of change?

Back

Percent of change = ((8500 - 9559) / 9559) x 100 = -11.08% (decrease).

Tags

CCSS.6.RP.A.3C

Front

If 72 people received speeding tickets one week and 36 the next, what is the percent of change?

Back

Percent of change = ((36 - 72) / 72) x 100 = -50% (decrease).

Tags

CCSS.6.RP.A.3C