Ratio Tables

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

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between the quantities.

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, you can use equivalent ratios and cross-multiply to solve for the unknown.

Front

If 1 quart of water requires 2 tablets of iodine, how many tablets are needed for 4 quarts?

Back

8 tablets.

Front

What is the unit rate?

Back

The unit rate is a ratio that compares a quantity to one unit of another quantity, often used to express how much of one item is present per one unit of another item.

Front

How do you calculate the unit rate from a ratio?

Back

To calculate the unit rate, divide the first quantity by the second quantity to find out how much of the first quantity corresponds to one unit of the second.

Front

If you travel 150 miles on 5 gallons of gas, what is the distance traveled per gallon?

Back

30 miles per gallon.

Front

What is the formula for finding the number of students per class?

Back

Number of students per class = Total number of students ÷ Number of classes.

Front

If there are 88 students in 4 classes, how many students are in each class?

Back

22 students per class.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.