Ratios and Rates

Front

What is a ratio?

Back

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

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different quantities, typically with different units.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide one quantity by the other and express it in simplest form.

Front

If there are 35 students and 7 basketballs, what is the ratio of students to basketballs?

Back

5 to 1

Front

What is the missing number in the ratio table if the ratio is 3:7 and the first number is 9?

Back

21

Front

How many students are in each class if there are 88 students for 4 classes?

Back

22 students per class

Front

What does it mean if a ratio is expressed as 1:5?

Back

It means for every 1 unit of the first quantity, there are 5 units of the second quantity.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar (because 2/3 of 6 is 4).