Introduction to Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How can ratios be expressed?

Back

Front

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

Back

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

Front

Which of the following is NOT a way to present a ratio?

Back

None. All of these are right ways to write a ratio: as a fraction, using a colon (:), or using the word 'to'.

Front

What is the most common way that ratios are expressed in math?

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The most common way that ratios are expressed in math is in fraction form.

Front

If there are 4 apples and 2 oranges, what is the ratio of apples to oranges?

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The ratio of apples to oranges is 4:2, which simplifies to 2:1.

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What does the ratio 1:4 mean?

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The ratio 1:4 means that for every 1 of the first quantity, there are 4 of the second quantity.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

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The ratio of flour to sugar is 2:3.

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How do you simplify the ratio 6:9?

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To simplify the ratio 6:9, divide both numbers by their greatest common divisor, which is 3. The simplified ratio is 2:3.

Front

What is the ratio of 10 to 5 expressed as a fraction?

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