Negation is the comprehension of /not/ in sentences. Understanding negation is an important concept for children's language acquisition. Negatives are a difficult concept to teach and learn but are critical to a child’s ability to communicate. This set of boom cards are perfect for teaching your students the concept of negation while focusing on the class or category. Categories include: * Animals * Plants * Food * Vehicles * Fruits * Vegetables * Birds * Insects * Body Parts * musical instru