Explore Ratios and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

How do you write a ratio of 5 to 9?

Back

The ratio of 5 to 9 can be written as 5:9.

Front

If the ratio of small popcorns to large popcorns is 5:9, how many small popcorns are sold for every 9 large popcorns?

Back

For every 9 large popcorns sold, 5 small popcorns are sold.

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 one unit of another quantity.

Front

If Zoey earns 5 points for every 6 books read, what is her unit rate of points earned per book?

Back

Front

How do you find a unit rate from a ratio?

Back

To find a unit rate from a ratio, divide the first quantity by the second quantity to express it as a quantity per one unit.

Front

In a graph, what does the x-axis typically represent?

Back

The x-axis typically represents the independent variable, often time or quantity.

Front

If Henry travels 12 miles in 4 hours, what is his speed in miles per hour?

Back

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the quantities have been reduced to their smallest whole number form.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how much flour is needed for 9 cups of sugar?

Back

To maintain the ratio, you would need 6 cups of flour.