STEM Middle School teacher Craig Parsley recommends all parents/guardians of STEM students watch this video of Singapore Math in action. It shows Craig teaching at his former school, Schmitz Park Elementary. Schmitz Park was the first school in the Seattle School District to adopt Singapore Math. You may want to read the following articles from Seattle Times Editorial Columnist Bruce Ramsey first, as they provide some background to the video.
The Secret of Schmitz Park Elementary School is Singapore Math 2/16/10
Bring Back Real Math to Seattle Schools 6/4/13