Ratios & Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you solve for a missing value in a ratio table?

Back

To find a missing value in a ratio table, you can set up a proportion based on the known values and cross-multiply to solve for the unknown.

Front

What is a proportion?

Back

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

Front

If 1 quart of water requires 2 tablets of iodine, how many tablets are needed for 3 quarts?

Back

6 tablets.

Front

What is the ratio of 4 to 2 simplified?

Back

The simplified ratio is 2:1.

Front

If a recipe calls for a ratio of 3:1 of flour to sugar, how much sugar is needed for 9 cups of flour?

Back

3 cups of sugar.

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.

Front

If the ratio of boys to girls in a class is 5:3, how many girls are there if there are 20 boys?

Back

12 girls.

Front

What is the missing value in the ratio 8:x = 4:2?

Back

x = 4.

Front

How do you write a ratio as a fraction?

Back

A ratio can be written as a fraction by placing the first quantity over the second quantity.