Hands-on math!


The ratio of 2 numbers is the first number divided by the second number.
For example, the ratio of 8 to 4 is 2 because 8/4 = 2.
Sometimes a ratio is expressed with a colon, like this: 8 : 4
It means the same thing.

Now, here is a problem for you: What is the ratio of 18 to 6?