Download the Counting Videos: \r Download the Counting Songs: \r Get This Video on DVD: \r Get the Counting Songs CD: \r \r The Counting By Fours Song by Have Fun Teaching is a counting song that teaches teaches counting by four to twenty, to forty, and to one hundred. This song will teach students how to count by fours from 4 to 20, 4 to 40, and 4 to 100. This is a song for learning how to skip count by 4s.