This is a creative lesson idea for divisibility rules, multiples, and factors. Students will watch the video, "Evolution of Dance," by Judson Laipply. The performer of this video authorized the sale of this item. Students will be a given a sheet where the year the song was performed is listed. Students will need to find a "magic number" by multiplying the last 2 digits and check all the numbers that are divisible by it. Check it out!