Ratios!

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'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole, such as the ratio of boys to girls in a class.

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What is a part-to-whole ratio?

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A part-to-whole ratio compares a part of a quantity to the entire quantity, such as the ratio of girls to the total number of students.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, such as miles per hour.

Front

If there are 4 apples and 6 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 4:6, which simplifies to 2:3.

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

Back

The ratio of flour to sugar is 2:3.

Front

What is the ratio of 5 to 15?

Back

The ratio of 5 to 15 simplifies to 1:3.

Front

How do you express a ratio in fraction form?

Back

A ratio can be expressed in fraction form by writing the first quantity as the numerator and the second quantity as the denominator.

Front

What is the ratio of 3 lost games to 2 won games?

Back

The ratio of lost games to won games is 3:2.