Ratios, Tables, and Graphs

Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second.

Front

How do you express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or in words (e.g., 3 to 2).

Front

What does it mean if the ratio of cats to dogs is 9 to 10?

Back

It means that for every 9 cats, there are 10 dogs.

Front

How do you find the total number of items when given a ratio and a total?

Back

To find the total number of items, add the parts of the ratio together and then use that sum to find the individual quantities.

Front

If 4 apples are sold for every 1 pineapple, what is the ratio of apples to pineapples?

Back

The ratio of apples to pineapples is 4:1.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both sides of the ratio by their greatest common divisor.

Front

What is the ratio of girls to total kids if there are 7 girls and 8 boys?

Back

The ratio of girls to total kids is 7:15.

Front

If a store sold 50 apples and pineapples with a ratio of 4:1 for apples to pineapples, how many pineapples were sold?

Back

10 pineapples were sold.

Front

What is the significance of a ratio of 1 to 20 in a classroom setting?

Back

It indicates that for every 1 teacher, there are 20 students.

Front

How can you represent a ratio in a table?

Back

You can represent a ratio in a table by listing the quantities of each item in separate columns.