Today on Elmo's World, Elmo and Cookie Monster learn math topics like counting, shapes, patterns, measuring, and ramps! Subscribe to the Sesame Street Channel here: Welcome to Sesame Street! A colorful community of monsters, birds, grouches, and humans—a place where everyone counts. With a signature mix of laughter and learning, Sesame Street has been enriching minds and bringing families closer for five decades. Rigorously researched and deeply inclusive, Sesame Street has become the most-watched children’s program in history. For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at