Ratios and Rate Tables

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 in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or in words (e.g., 2 to 3).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or price per item.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

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

Back

To find a missing value, use equivalent ratios to set up a proportion and solve for the unknown.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

If the ratio of cats to dogs is 3:4, how many cats are there if there are 12 dogs?

Back

There are 9 cats. (3/4 = x/12; x = 9)

Front

What is the purpose of a rate table?

Back

A rate table helps to organize and compare different rates, making it easier to see relationships and make calculations.

Front

How can you express the ratio of 5 apples to 10 oranges?

Back

The ratio can be expressed as 1:2, since both numbers can be simplified by dividing by 5.

Front

What is the missing value in the ratio table if the ratio is 2:5 and one value is 10?

Back

The missing value is 25. (2/5 = 10/x; x = 25)