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 with the word 'to' (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

How do you simplify a ratio?

Back

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

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between quantities.

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 2:3.

Front

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

Back

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

Front

What is the ratio of school apps to game apps if there are 5 school apps and 3 game apps?

Back

The ratio of school apps to game apps is 5:3.

Front

If 6 muffins cost $3, what is the cost of 18 muffins?

Back

The cost of 18 muffins is $9, as the ratio of cost to muffins is equivalent.

Front

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

Back

You need 8 tablets of iodine to disinfect 4 quarts of water.