Ratio, Rates & Unit Rates Test Review

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 price 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 (60 miles for 1 hour).

Front

If the ratio of ice cream cones to brownies is 5:3, how many cones are sold if 24 brownies are sold?

Back

40 ice cream cones are sold.

Front

How do you find a missing number in a ratio table?

Back

To find a missing number in a ratio table, use the known ratios to set up a proportion and solve for the unknown.

Front

What is the formula to calculate a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If Kevin mixes red and yellow paint in a ratio of 3:5, how much yellow paint is needed for 9 oz of red paint?

Back

15 oz of yellow paint is needed.

Front

What does a 1:2 ratio mean?

Back

A 1:2 ratio means for every 1 part of the first quantity, there are 2 parts of the second quantity.

Front

How can you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.