elementary
posted by
jamie on
.
What is the rule in math?

elementary 
PsyDAG,
There are many rules in math. Repost in more specific terms.

Math 
PsyDAG,
By the way, your subject is math.

elementary 
nadine,
the rule is to use numbers and you always have to read the question to do it.

elementary 
Anonymous,
explain regrouping