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'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: as a fraction (a/b), with a colon (a:b), or in words (a to b).

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

How do you find a missing value in a ratio table?

Back

To find a missing value, use equivalent ratios to set up a proportion and solve for the unknown.

Front

If the ratio of boys to girls is 3 to 4, how many girls are there if there are 12 boys?

Back

There are 16 girls. (Set up the proportion: 3/4 = 12/x, solve for x.)

Front

What does it mean if two ratios are equivalent?

Back

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

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2 to 3.

Front

How can you simplify a ratio?

Back

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

Front

What is the value of C in the ratio table if A=45 and B=70?

Back

C=96.

Front

If there are 5 apples and 10 oranges, what is the ratio of oranges to apples?

Back

The ratio of oranges to apples is 2 to 1.