Proportions and Unit rate

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How do you find the unit rate from a proportional relationship?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

If a recipe requires 2 cups of flour for 5 servings, how many cups of flour are needed for 15 servings?

Back

6 cups

Front

What is the constant of proportionality?

Back

The constant of proportionality is the factor that relates two proportional quantities.

Front

How can you determine if a table of values is proportional?

Back

A table is proportional if the ratios of the corresponding values are constant.

Front

What is the formula to find the constant of proportionality?

Back

Front

If it takes 4 cups of sugar to make 3 cakes, how many cakes can 1 cup of sugar make?

Back

Front

What does it mean if a relationship is non-proportional?

Back

A non-proportional relationship does not have a constant ratio between the quantities.

Front

How do you solve for a missing value in a proportion?

Back

Cross-multiply and then divide to find the missing value.