Writing Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How can ratios be represented?

Back

Ratios can be represented as fractions, using the word 'to', or with a colon (:).

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

13 to 10

Front

If a drawing contains 5 circles and 6 squares, what is the ratio of circles to squares?

Back

5:6

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares one part of a whole to another part of the same whole.

Front

In a survey of 100 students, 53 prefer football and 42 prefer baseball. What is the part-to-part ratio for football to baseball?

Back

53:42

Front

What is the total number of animals if there are 4 birds and 6 snakes?

Back

10 animals (4 birds + 6 snakes).

Front

What is the ratio of birds to total animals if there are 4 birds and 6 snakes?

Back

4/10 or 2/5.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio is expressed in the smallest whole numbers possible.

Front

If the ratio of apples to oranges is 3:2, how many oranges are there if there are 9 apples?

Back

6 oranges (since 3 apples correspond to 2 oranges, 9 apples correspond to 6 oranges).