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 do you write a ratio using a colon?

Back

A ratio can be written using a colon by placing the two quantities separated by a colon, for example, 2:3.

Front

What is the ratio of girls to boys if there are 11 girls and 8 boys?

Back

The ratio of girls to boys is 11 to 8.

Front

If there are 2 rabbits and 12 other animals, what is the ratio of rabbits to other animals?

Back

The ratio of rabbits to other animals is 1:6.

Front

What are three ways to express a ratio?

Back

A ratio can be expressed as a fraction, with a colon, or in words.

Front

If Mrs. Lilja read 80 pages in 2 hours, how many pages did she read each hour?

Back

Mrs. Lilja read 40 pages per hour.

Front

Mary lost 3 out of 5 games. What is the ratio of games lost to games won?

Back

The ratio of games lost to games won is 3:2.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the quantities have been reduced to their smallest whole number form.

Front

How can you find the total number of parts in a ratio?

Back

To find the total number of parts in a ratio, add the numbers in the ratio together.

Front

If the ratio of cats to dogs is 4:3, how many parts are there in total?

Back

There are 7 parts in total (4 + 3 = 7).