Proportion Review

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio or rate. For example, if you double one quantity, the other quantity also doubles.

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is one where the ratio between two quantities is not constant. For example, if you increase one quantity, the other does not increase in a consistent manner.

Front

How do you determine if a table of values is proportional?

Back

A table of values is proportional if the ratio of the values in one column to the values in another column is constant.

Front

What does a proportional graph look like?

Back

A proportional graph is a straight line that passes through the origin (0,0).

Front

What does a non-proportional graph look like?

Back

A non-proportional graph does not pass through the origin and may be curved or not a straight line.

Front

If a baker uses 1 1/4 cups of sugar for 12 scones, how much sugar is needed for 24 scones?

Back

2 1/2 cups of sugar.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate the unit rate from $12 for 5 boxes of cereal?

Back

Divide the total cost by the number of boxes: $12 ÷ 5 = $2.40 per box.

Front

If 24 star fruit cost $47.60, what is the cost of one star fruit?

Back

$1.99 per star fruit.

Front

How many star fruit can you buy for $11.90 if one star fruit costs $1.99?

Back

6 star fruit.