Originally Posted by kathymuggle
Pick something that gets a lot of rave reviews - Singapore, Miquon, Right Start and Math U See come to mind.
Also check out this free program from MEP. It can be used as a standalone curriculum, or as a supplement. It didn't enter my consciousness in time to use its elementary materials with my eldest, but I may use it with my youngest. You can get a password to access the teacher's materials, which are...