2D Shapes Counting to 20 Worksheet – Math Center for Special Education / Autism. Support foundational math skills with this 2D Shapes Counting to 20 worksheet set, designed specifically for special education, autism programs, and early learners. This printable resource combines basic shape recognition with counting practice up to 20, using clear visuals and a structured layout to support student success. Perfect for independent work, task boxes, small group instruction, or math centers, t