Unit 4 Review - Proprotional Relationships/Percents

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

What does NP stand for in the context of relationships?

Back

NP stands for Non-Proportional, indicating that the relationship between the quantities does not maintain a constant ratio.

Front

How do you find the constant of proportionality?

Back

The constant of proportionality can be found by dividing one quantity by the other in a proportional relationship.

Front

If Art mows 1/8 acre in 1/4 hour, how many acres does he mow in 1 hour?

Back

Art mows 2 acres in 1 hour.

Front

If 72 people are attending a party and 2 batches of pudding are needed for every 9 people, how many batches are needed?

Back

Mrs. O'Conner needs to make 16 batches.

Front

What is the formula for calculating percent?

Back

Percent = (Part/Whole) x 100.

Front

What is the relationship between fractions and percents?

Back

Fractions can be converted to percents by multiplying the fraction by 100.

Front

What is 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 determine if a relationship is proportional using a table of values?

Back

A relationship is proportional if the ratios of corresponding values are equal.

Front

What is the significance of the constant of proportionality in a graph?

Back

In a graph, the constant of proportionality represents the slope of the line that passes through the origin.