Ratio, Rates, and Unit Rate Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or dollars per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 50 miles per hour or $3 per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit price?

Back

To find the unit price, divide the total cost by the number of items. For example, if 9 pieces of candy cost $2.25, the unit price is $2.25 ÷ 9 = $0.25 per piece.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a complex fraction?

Back

A complex fraction is a fraction that has a fraction in its numerator, denominator, or both.

Front

Convert 4 yards to inches.

Back

4 yards = 144 inches (since 1 yard = 36 inches, so 4 x 36 = 144).

Tags

CCSS.2.MD.A.2

Front

If Jack earns $46.80 for 6 hours of work, how do you calculate his hourly rate?

Back

To calculate the hourly rate, divide the total earnings by the number of hours worked: $46.80 ÷ 6 = $7.80 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the difference between part-to-part and part-to-whole ratios?

Back

Part-to-part ratios compare two parts of a whole, while part-to-whole ratios compare one part to the entire whole.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2