Teach 1st grade Common Core math standards--including concepts and strategies--through 38 songs. This set also comes with a 55-page book including all lyrics along with alignments to ALL 1st grade math standards. Characters like the "Pizza-Eating Alligator" and "Miss Mary Mack" will make advanced concepts fun for your children. Songs run for approximately 30 seconds to 2 minutes, and are designed to maximize efficiency in your classroom.Please listen to the "Preview" and look at the thumbnail i