It is hard to recognize a learning disability in your child. Many parents do not want to see it, many parents eventually see it late.
HERE is a nice short cheat sheet with the symptoms to look for.
We all want the best for our children and one of the ways to ensure they get the support they deserve in school is to be on the lookout for signs that may indicate something is going on. If you are not sure, TEST, it can never hurt.
You can do a FREE Dyscalculia Screener/Checklist here in the left navigation bar(free registration required)
Or at DyscalculiaTesting.com you can do a more comprehensive Math and Dyscalculia Screening Test for $27.50. This will give you a five page report by email with lots of information.