Proportional or Non-Proportional?

Front

What is a proportion?

Back

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

Front

How can you determine if two ratios form a proportion?

Back

You can determine if two ratios form a proportion by cross-multiplying and checking if the products are equal.

Front

What does it mean if a relationship is proportional?

Back

A relationship is proportional if the ratio between two quantities remains constant.

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is one where the ratio between two quantities changes.

Front

If 3 dogs have 12 paws, what is the ratio of dogs to paws?

Back

The ratio is 1 dog to 4 paws, which is proportional.

Front

If 4 cats have 10 paws, is this proportional?

Back

No, because the ratio of cats to paws is not constant (1 cat to 2.5 paws).

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio in a proportional relationship.

Front

How do you identify a proportional relationship from a table?

Back

A proportional relationship can be identified if the ratios of corresponding values are equal.

Front

What is an example of a proportional relationship in real life?

Back

An example is the relationship between distance and time at a constant speed.

Front

What is an example of a non-proportional relationship?

Back

An example is the relationship between the number of hours worked and total pay if the pay rate changes.