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 is constant.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the total number of units (e.g., ounces, pounds).

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k'.

Front

If 2 M&Ms are for every 10 raisins, what is the ratio of M&Ms to raisins?

Back

The ratio of M&Ms to raisins is 2:10, which simplifies to 1:5.

Front

How do you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of corresponding values are constant.

Front

What is the unit price of Cheerios if they cost $3.68 for 17 oz?

Back

The unit price of Cheerios is $0.216 per ounce.

Front

What is the unit price of Apple Jacks if they cost $2.89 for 13 oz?

Back

The unit price of Apple Jacks is $0.222 per ounce.

Front

If Toby brings 3 brownies each week, how many brownies does he bring in 5 weeks?

Back

Toby brings 15 brownies in 5 weeks.

Front

If there are 18 M&Ms in a bag of trail mix, how many raisins are there if the ratio is 2 M&Ms to 10 raisins?

Back

There are 90 raisins in the bag of trail mix.

Front

What is the formula to find the constant of proportionality?

Back

The formula is k = y/x, where y is the dependent variable and x is the independent variable.