ratios and rate 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 create a ratio table?

Back

A ratio table is created by listing pairs of equivalent ratios in a table format, allowing for easy comparison and calculation.

Front

If 2 tablets of iodine disinfect 1 quart of water, how many tablets are needed for 4 quarts?

Back

8 tablets.

Front

If a recipe serves 16 people with 4 cups of chicken broth, how much broth is needed for 8 people?

Back

2 cups.

Front

What is the unit rate?

Back

The unit rate is the amount of one quantity per one unit of another quantity, often expressed as 'dollars per pound' or 'miles per hour'.

Front

If Will spent $3.75 for 3 pounds of granola, what is the unit rate in dollars per pound?

Back

$1.25 per pound.

Front

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

Back

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

Front

If a soup recipe for 16 people requires 4 cups of broth, how much is needed for 32 people?

Back

8 cups.

Front

What does it mean to scale a recipe?

Back

Scaling a recipe means adjusting the ingredient amounts to make more or less of the dish while maintaining the same proportions.

Front

What is the relationship between ratios and rates?

Back

Ratios compare two quantities, while rates compare two quantities with different units, such as speed (miles per hour).