Ratios/Rates/Unit Rate

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. It can be expressed in various forms such as fractions, decimals, or with a colon (e.g., 2:3).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio of 2 to 3?

Back

The ratio of 2 to 3 can be expressed as 2/3 or 2:3.

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 price 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. For example, if you travel 15 miles in 3 hours, the unit rate is 5 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 4 concert tickets cost $124, what is the cost of one ticket?

Back

The cost of one ticket is $31 (calculated as $124 ÷ 4).

Tags

CCSS.3.OA.A.3

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of items. For example, if 8 bottles of water cost $4.00, the unit price is $0.50 per bottle.

Tags

CCSS.6.RP.A.3B

Front

What is the ratio of blue marbles to red marbles if there are 3 blue and 7 red?

Back

The ratio of blue marbles to red marbles is 3:7.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you convert a rate to a unit rate?

Back

To convert a rate to a unit rate, divide the first quantity by the second quantity to find out how much of the first quantity corresponds to one unit of the second quantity.

Front

If you travel 15 miles in 2 hours, what is the unit rate in miles per hour?

Back

The unit rate is 7.5 miles per hour (calculated as 15 miles ÷ 2 hours).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula to calculate a unit rate?

Back

The formula to calculate a unit rate is: Unit Rate = Total Quantity / Number of Units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2