Magnetic number fishing, they add what they catch! As well as addition, develops hand/eye coordination, fine motor--I love this for magnetic letter fishing too! When they catch a letter, they say its name and sound.
The Stay-at-Home-Mom Survival Guide: Preschool Activities This is a GREAT site. Stay at home mom or go to school teacher!many clever and easy ways to work with your preschooler and have fun at the same time.
Fine motor maths activity - counting using pipe cleaners and beads - my kids loved this today! This is just an image with no link to a website, but I think it would make an awesome math and fine motor center in any special education or kindergarten clas