Ratios, Tape Diagrams and 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

How can a ratio be written?

Back

A ratio can be written using a colon (:) or the word 'to'.

Front

If there are 120 boys in a group, how do you find the total number of boys and girls?

Back

Use a tape diagram to visualize the groups and add the quantities together.

Front

What is the ratio of brownies to cookies if the ratio is 3:5 and there are 75 cookies?

Back

If there are 75 cookies, then there are 45 brownies.

Front

How do you complete a ratio table?

Back

Identify the relationship between the quantities and use multiplication or division to find the missing values.

Front

What is the ratio of bunnies to puppies if there are 3 puppies and 11 bunnies?

Back

The ratio of bunnies to puppies is 11:3.

Front

What does a tape diagram represent?

Back

A tape diagram visually represents ratios and helps to compare quantities.

Front

What is the purpose of a ratio table?

Back

A ratio table organizes pairs of numbers that have the same ratio, making it easier to find missing values.

Front

If the ratio of boys to girls is 2:3 and there are 120 boys, how many girls are there?

Back

There are 180 girls.

Front

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

Back

Use the known values and the ratio relationship to calculate the missing value.