The below wesite has many interactive games
K through 2nd grade.
The lessons involving this website always began with a teacher demonstration of how to complete the interactive activites. In order to assist students with skip counting, I demonstrated with use of the LCD projector skip counting on the interactive chart.
Evaluation:
The lessons went so well, that I eventually had students able to skip count by 6 as evidenced by the worksheet completed by a 1st grader. This worksheet was completed by all 1st graders as an assesment. The worksheet is the printable version of the interactive number chart. The interactive number chart allowed students to color in various numbers using paint software. However, for assesment purposes students used crayons to count by six up to 100.
I would not change the lessons. These lessons provided the students with the oppurtunity interact with the computers and learn math skills simultaneously