Shape assessment, 2D shapes test, preschool geometry BOOM Cards—quickly check if students can identify and name basic shapes in a no-prep digital format. This BOOM Cards™ 2D shape assessment gives you a fast, engaging way to evaluate students’ understanding of basic shape recognition in preschool, pre-K, and kindergarten. Instead of flashcards, worksheets, or one-on-one questioning, students complete a short digital activity where they identify common 2D shapes independently. You get immediate