With the use of ten frames, tally marks, and engaging images, each of these number card offers valuable support for enhancing counting skills and deepening understanding of place value. Includes 23 pieces: number cards 0-20 (each measures 8 3/4" x 11 3/4"), Writing Numbers card (23 3/4" x 8 3/4") and Finger Counting card (11 3/4" x 8.3/4").