Ratios & 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 write a ratio?

Back

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

Front

What is a ratio table?

Back

A ratio table is a table that shows equivalent ratios, helping to visualize the relationship between two quantities.

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 purpose of using a ratio table?

Back

A ratio table helps to find missing values and understand the relationship between different ratios.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the values and then isolate the variable.

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

Back

x = 12.

Front

What is the missing value in the ratio table if the ratio is 2:5 and the first value is 6?

Back

The missing value is 15.

Front

If a ratio is 4:9, what is the equivalent ratio if both parts are multiplied by 3?

Back

The equivalent ratio is 12:27.