Ratios/Rates/Unit Rates

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 do you write a ratio?

Back

Ratios can be written using the word 'to' (e.g., 4 to 3) or as a fraction (e.g., 4/3).

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 simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 red apples to 3 green apples.

Front

What is the simplified form of the ratio 35:14?

Back

5:2.

Front

If an 8 pack of juice boxes costs $4.79 and a 12 pack costs $6.59, which is the better buy?

Back

The 12 pack is the better buy.

Front

What is the ratio of wins to losses if the Cowboys have won 11 out of 12 games?

Back

11:1.

Front

What does it mean to compare quantities using ratios?

Back

It means to express the relationship between two quantities in terms of how much of one exists compared to the other.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different kinds of quantities, such as speed (miles per hour).