This ActivInspire flipchart is intended for use in creating ostinatos and other rhythm compositions as a class or small group (center) in second grade. Included are three pages: the first is one measure of 4/4 time, the second is two measures of 2/4 time, and the third is a measure of 3/4 time. A heart represents each beat, making it easy for students to drag & drop a beat. This flipchart uses standard notation, but is fully editable for you to customize with symbolic notation depending on t