Homework 1/8

Front

What is percent change?

Back

Percent 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 change?

Back

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

Tags

CCSS.6.RP.A.3C

Front

What does a negative percent change indicate?

Back

A negative percent change indicates a decrease in value.

Tags

CCSS.6.RP.A.3C

Front

What does a positive percent change indicate?

Back

A positive percent change indicates an increase in value.

Tags

CCSS.6.RP.A.3C

Front

If Mary weighed 180 pounds and now weighs 150 pounds, what is the percent change in her weight?

Back

17% Decrease.

Tags

CCSS.6.RP.A.3C

Front

What is the formula for calculating percent increase?

Back

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

Tags

CCSS.6.RP.A.3C

Front

If an item sold for $50 after starting at $20, what is the percent increase?

Back

150%.

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) * 100.

Front

If an archaeologist estimated a fossil to be 520 years old, but it was actually 500 years old, what is the percent error?

Back

4%.

Tags

CCSS.6.RP.A.3C