Unit 3 mid unit test part A study guide

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 can you determine if a table represents a proportional relationship?

Back

Check if the ratios of the corresponding values are equal for all pairs.

Front

Which is the better buy: A 4 pack of t-shirts for $2.24, A 6-pack for $3.12, or An 8 pack for $4.24?

Back

A 6-pack of t-shirts for $3.12 is the better buy.

Front

What does it mean if a relationship is not proportional?

Back

It means that the ratio between the two quantities changes and is not constant.

Front

Back

Front

How do you find the total amount needed for a full batch if given a fraction of the batch?

Back

Multiply the amount needed for the fraction by the reciprocal of the fraction.

Front

What is the formula to find the unit price?

Back

Unit Price = Total Price / Number of Units.

Front

If a recipe requires 2/3 cup of sugar for 1/3 batch of brownies, how much sugar is needed for 1 batch?

Back

2 cups of sugar.

Front

What is the definition of a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per 1 unit.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.