Product: Singapore Math
Levels Used: Earlybird, 1A&B, 2A&B, 3A&B, 4A&B
Dates Used: 2003-04, 2004-05, 2005-06, 2006-07, 2007-08
Likes: This program is thorough, well-illustrated and excellent in explaining word problem solving.
Dislikes: Not enough review (if the "Reviews" are used as tests, like most homeschoolers that use this program seem to do).