One To One Correspondence Instructional Math Center for Special Education/Autism Using real life, high-interest pictures, this interactive counting activity will help your students practice and demonstrate mastery of one-to-one correspondence skills up to 20. Counting Pictures Included: • Beach Ball • Cupcakes • Balloon • Flower • Gift Box • Basketball • Cookie • Pumpkin • Birthday Cake • School Bus Also included: • TWO Mounting Boards for counting • Number Cards 1 – 24 (up to 24 is included for