Content-rich math cards do their job, teaching students new skills in a fun way. This educational aid introduces numbers and number words 0-100. Numeral on front and number word on back. Sturdy cards and storage box. Students will delight in mastering new skills. No-see-through cards with quick-sorting, rounded corners. Each set includes 101 cards. Cards measure 3" x 6". Sold as 3 sets.