Math 6 RP.2 Finding Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost, add the prices of all items together. For example, if you buy 3 items costing $2, $3, and $5, the total cost is $2 + $3 + $5 = $10.

Front

If 4 gallons of milk cost $11, how do you find the cost of 1 gallon?

Back

To find the cost of 1 gallon, divide the total cost by the number of gallons. So, $11 ÷ 4 = $2.75 per gallon.

Front

What is the formula to find the unit price?

Back

The unit price is found by dividing the total price by the number of units. For example, if a 10-ounce bag of candy costs $2.00, the unit price is $2.00 ÷ 10 = $0.20 per ounce.

Front

How do you determine which item is a better buy?

Back

To determine which item is a better buy, compare the unit prices of each item. The item with the lower unit price is the better buy.

Front

If Amy rides her bike 4 miles in 30 minutes, how do you find her speed in miles per minute?

Back

To find her speed, divide the distance by the time. So, 4 miles ÷ 30 minutes = 0.13 miles per minute.

Front

What is the relationship between total students and teams in a competition?

Back

To find the number of students per team, divide the total number of students by the number of teams. For example, if there are 180 students and 15 teams, then 180 ÷ 15 = 12 students per team.

Front

How do you convert a total cost to a unit cost?

Back

To convert a total cost to a unit cost, divide the total cost by the total number of units. For example, if 7 gallons of milk cost $19.25, the unit cost is $19.25 ÷ 7 = $2.75 per gallon.

Front

What is the importance of finding unit rates in real life?

Back

Finding unit rates helps consumers make informed decisions about purchases, such as comparing prices of different products to find the best deal.

Front

How can you express a rate as a fraction?

Back

A rate can be expressed as a fraction by placing the two quantities in a fraction format. For example, if a car travels 150 miles in 3 hours, the rate can be expressed as 150 miles/3 hours.