Finding unit rates

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, expressed as 'per one thing.'

Front

How do you find the unit rate from a total distance and time?

Back

Divide the total distance by the total time to find the unit rate in distance per time (e.g., km/min).

Front

If Joshua walks 6 km in 85 minutes, what is his unit rate in km per minute?

Back

6/85 km per minute.

Front

How do you calculate the unit rate for cookies per dollar?

Back

Divide the number of cookies by the cost in dollars.

Front

If you can buy 36 cookies for $4, what is the unit rate in cookies per dollar?

Back

9 cookies per dollar.

Front

What is the formula to find the unit rate in dollars per pound?

Back

Divide the total cost by the total weight in pounds.

Front

If it costs $5 to buy 2 pounds of fish tank gravel, what is the unit rate in dollars per pound?

Back

5/2 dollars per pound.

Front

What must be true about a unit rate?

Back

It is always 'per' one thing.

Front

How do you find the unit rate in dollars per hour?

Back

Divide the total earnings by the total hours worked.

Front

If Alycia earned $20.40 in 3 hours, what is her unit rate in dollars per hour?

Back

$6.80 per hour.