Use these bright, engaging foam counters to help build place value skills. Children can learn counting, grouping, addition, subtraction and more in a hands-on, visual way. Disks are printed with place values from ones to millions. Perfect for classrooms that teach Singapore Math or Eureka Math. Disks measure 1" in diameter. Each pack includes 280 disks, 40 of each value from ones to millions. Sold as 2 packs for a total of 560 disks.