Rates, Unit Rates, Unit Prices Practice

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

How do you determine if two fractions are equivalent?

Back

Two fractions are equivalent if their cross products are equal, or if they can be simplified to the same form.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity (denominator) is 1, allowing for easy comparison of different rates.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity to find the amount per one unit of the second quantity.

Front

What is the unit rate for $3.75 for 3 pounds of granola?

Back

The unit rate is $1.25 per pound.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you tell if a set of ratios forms a proportion?

Back

You can tell if a set of ratios forms a proportion by cross-multiplying and checking if the products are equal.

Front

What is the equivalent fraction for 1/10?

Back

The equivalent fraction for 1/10 is 4/40.

Front

What is the significance of unit prices in shopping?

Back

Unit prices help consumers compare the cost of items based on a standard measurement, such as price per pound or price per liter.