Proportional Relationships

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How do you find the unit rate from a given rate?

Back

To find the unit rate, divide the total quantity by the total time or number of items to determine the amount per one unit.

Front

If a table shows the relationship between hours worked and money earned, how can you determine the missing value?

Back

You can determine the missing value by using the constant rate of pay to calculate the earnings for the given hours.

Front

What is the formula to calculate total cost based on hourly rates?

Back

Total Cost = Hourly Rate x Number of Hours.

Front

How do you convert a rate into a unit rate?

Back

To convert a rate into a unit rate, divide both the numerator and the denominator by the denominator's value.

Front

What does it mean if two quantities are directly proportional?

Back

If two quantities are directly proportional, as one quantity increases, the other quantity increases at a constant rate.

Front

How can you represent proportional relationships using a table?

Back

You can represent proportional relationships using a table by listing pairs of values that maintain a constant ratio.

Front

What is the significance of the constant of proportionality?

Back

The constant of proportionality is the ratio that relates two proportional quantities, indicating how much one quantity changes in relation to another.

Front

How do you solve for a missing value in a proportional relationship?

Back

To solve for a missing value in a proportional relationship, set up a proportion equation and cross-multiply to find the unknown.

Front

What is the relationship between unit rates and proportional relationships?

Back

Unit rates are a specific type of proportional relationship where the second quantity is one unit.