Lets just say that this is as simple as simple gets. So don't fret, you will be laughing when you know the answer. The multiples of 3 are 3, 6, 9, 12, 15......all the way to infinity
http://answers.ask.com/Science/Mathematics/what_ar...

1. Explain that multiples of 3 start with the number 3 and continue by repeatedly adding 3. For example, 3 + 3 + 3 is the same as 3 x 3. They both equal 9. 2. Ask the child to pick
http://www.ehow.com/how_4455981_teachchildsmult...

33 and 66 are two examples.
http://wiki.answers.com/Q/What_are_multiples_of_3_...

In order to tell whether a number is a multiple of 3: Start with a number N. Sum the digits of the number, and get M. If M is larger than 10, set N=M and return to stage 2. Otherwise
http://wiki.answers.com/Q/How_do_you_tell_if_a_num...
