Introductory Math Final Exam 2: Rates and Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does equivalent ratios mean?

Back

Equivalent ratios are two or more ratios that express the same relationship between numbers, even if the numbers themselves are different.

Front

How can you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 red apples to 3 green apples.

Front

What is the equivalent ratio of 12:20?

Back

3:5.

Front

If there are 3 cats for every 2 dogs, what is the ratio of cats to dogs?

Back

3:2.

Front

What is the ratio of purple bags to red bags if there are 3 purple bags and 6 red bags?

Back

1:2.

Front

What does the word PER mean in a rate?

Back

PER means 'for every ONE item'.

Front

If a car travels 60 miles in 1 hour, what is the rate in miles PER hour?

Back

60 miles PER hour.