Ratios, Rates, Unit Rates

Front

What is a ratio?

Back

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

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.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 60 miles per hour or 5 dollars per muffin.

Front

How do you simplify a ratio?

Back

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

Front

If there are 5 soccer players and 10 baseball players, what is the ratio of baseball players to soccer players in simplest form?

Back

2 to 1

Front

If Uriah can eat 15 hotdogs in 3 minutes, what is his unit rate?

Back

5 hotdogs per minute.

Front

How do you determine if two rates are equivalent?

Back

Two rates are equivalent if they simplify to the same unit rate.

Front

If Ms. Alejandro paid $3 for 6 muffins and Ms. Collins paid $9 for 18 muffins, are the rates equivalent?

Back

Yes, both paid $0.50 per muffin.

Front

If Tyler can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

What is the formula to find a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.