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

Ratios can be expressed in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

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

Back

5 to 3

Front

If there are 10 soccer players and 3 coaches, what is the ratio of coaches to players?

Back

3 to 10

Front

How many tablets of iodine are needed to disinfect 4 quarts of water if 2 tablets are needed for 1 quart?

Back

8 tablets

Front

Express the ratio of 6 dimes to 18 dimes in simplest form.

Back

1/3

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form a ratio, helping to visualize the relationship between the quantities.

Front

If the ratio of cats to dogs is 2:5, how many cats are there if there are 25 dogs?

Back

10 cats (because 2/5 of 25 is 10).

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 can be simplified to the same fraction.

Front

How can you find an unknown quantity in a ratio?

Back

You can use cross-multiplication or set up a proportion to find an unknown quantity in a ratio.