Ratios/Ratio Tables

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 to b' or a:b.

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How do you write a ratio?

Back

Ratios can be written in three ways: as a fraction (a/b), with a colon (a:b), or in words (a to b).

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What does it mean if a ratio is simplified?

Back

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

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If there are 2 red cars and 3 blue cars, what is the ratio of red to blue cars?

Back

The ratio of red to blue cars is 2:3.

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How do you find the total number of items in a ratio?

Back

To find the total number of items in a ratio, add the parts of the ratio together.

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What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that have a constant ratio, helping to visualize relationships between quantities.

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If Luz earns $400 for 40 hours of work, how much does she earn per hour?

Back

Luz earns $10 per hour.

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What is the ratio of red toy cars to all toy cars if there are 2 black, 3 red, and 5 white cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

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How do you calculate a missing value in a ratio table?

Back

To calculate a missing value in a ratio table, use the known ratios to set up a proportion and solve for the unknown.

Front

What is the ratio of green marbles to red marbles if there are 3 green and 1 red?

Back

The ratio of green marbles to red marbles is 3:1.