Sometimes the most successful path is simplicity~
This video greatly assists in learning to count by 3s to 30 , By starting off slow and gradually increasing the speed, this video helps students learn skip counting, thus providing better results with multiplication skills.
Try the counting by 3 video for free and see how it works! You can also access it at this link: https://www.youtube.com/watch?v=ifAxpzcnM0U
Get all the videos for 2-12 for only $1 here: http://www.teacherspayteachers.com/Product/Interactive-Skip-Counting-Videos-for-Multiplication-2-12-1273390