Ratio/Unit Rates/Equivalent Ratios

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.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per 1'.

Front

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

Back

To find the unit rate, divide the total distance by the total time.

Front

If a car travels 440 miles in 8 hours, what is the unit rate?

Back

55 miles in 1 hour.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction.

Front

If Ms. Scott paid $3 for 6 muffins and Ms. Constantine paid $9 for 18 muffins, are their prices equivalent?

Back

Yes, equivalent.

Front

What is the equivalent ratio of 5:7?

Back

25:35.

Front

What is the process to find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the unit rate of snowfall if it snowed 14 inches in 5 hours?

Back

2.8 inches per hour.