Below you will find videos to help you understand the subitzing levels described in Subitising through the years (Faulkner, Ainslie, 2017). Use these videos to learn how to subitize like a pro! The videos are organized by levels. Begin at Perceptual Subitizing 1 (P1). Review the article, the content connections, the learning trajectory connections and … Continue reading Subitizing Videos by Level