Ratios and Ratio Tables

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

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 for two ratios to be equivalent?

Back

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

Front

If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are these ratios equivalent?

Back

Yes, both ratios simplify to 1/2 muffin per dollar.

Front

How do you use a ratio table?

Back

A ratio table is a tool that lists pairs of equivalent ratios, helping to visualize the relationship between two quantities.

Front

If a soup recipe serves 16 people with 4 cups of chicken broth, how many cups are needed for 32 people?

Back

8 cups, as the ratio of people to broth remains constant.

Front

What is the ratio of school apps to game apps if Kelly has 5 school apps and 3 game apps?

Back

The ratio is 5 to 3.

Front

How do you write the ratio of girls to boys if there are 5 boys and 7 girls?

Back

The ratio of girls to boys is 7 to 5.

Front

What is the simplest form of the ratio 6 dimes to 18 dimes?

Back

The simplest form is 1/3.

Front

What is a ratio table used for?

Back

A ratio table is used to find equivalent ratios and to solve problems involving proportional relationships.