posted by noelani .
Please explain what you do when asked to use compatible numbers.
Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
I searched Google under the key words "compatible numbers math" to get these possible sources:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. Thanks for asking.
Are you sure that is 3rd grade? I am a 4th grader and I don't know any thing about it.
ps. When you are done with homework go to clubpegiun. It is really cool.