Has anyone had experience with these math texts? I know they're from Pearson, possibly just in Canada or differently named in the US, and I've read one scathing review online. Otherwise, I have no idea and haven't seen one in real life.

DS9's teacher is attempting to respond to our request for math enrichment by using this text. My initial impression is that it's a big step down from the Singapore Math previously used, but that impression is based on very little information.