ratios intro - umbrellas

Front

What is a ratio?

Back

A ratio is a way to compare two quantities by using division. It shows how many times one number contains another.

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 with the word 'to' (e.g., 2 to 3).

Front

What does the ratio 8:2 mean?

Back

It means for every 8 of one item, there are 2 of another item.

Front

If there are 8 polka-dot umbrellas and 2 plaid umbrellas, what is the ratio of polka-dot to plaid umbrellas?

Back

8:2

Front

If there are 4 plaid umbrellas and 2 plain umbrellas, what is the ratio of plaid to plain umbrellas?

Back

2:4

Front

If there are 3 plain umbrellas and 5 plaid umbrellas, what is the ratio of plain to plaid umbrellas?

Back

3:5

Front

What is the ratio of polka-dot umbrellas to plaid umbrellas if there are 5 polka-dot and 2 plaid umbrellas?

Back

5:2

Front

If there are 6 polka-dot umbrellas and 3 plaid umbrellas, what is the ratio of polka-dot to plaid umbrellas?

Back

6:3

Front

What is the simplest form of the ratio 8:2?

Back

4:1

Front

If you have 10 umbrellas in total, 6 are polka-dot and 4 are plaid, what is the ratio of polka-dot to total umbrellas?

Back

6:10 or 3:5 in simplest form.