Ratio and Unit Rate

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:1), as a fraction (e.g., 3/1), or with the word 'to' (e.g., 3 to 1).

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' (e.g., miles per hour).

Front

How do you find the unit rate?

Back

To find the unit rate, divide the first quantity by the second quantity to get the amount for one unit.

Front

What is the ratio of 4 apples to 2 bananas?

Back

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

Front

If there are 5 pears in a fruit bowl with 11 total fruits, what is the ratio of pears to all fruit?

Back

The ratio of pears to all fruit is 5:11.

Front

What type of ratio compares a part to the whole?

Back

A part-to-whole ratio compares a part of a group to the entire group.

Front

What is the simplest form of the ratio 24 passengers in 8 cars?

Back

The simplest form of the ratio is 3:1.

Front

What is a rate?

Back

A rate is a special type of ratio that compares two quantities with different units.

Front

What is the ratio of 6 oranges to 3 apples?

Back

The ratio of oranges to apples is 6:3, which simplifies to 2:1.