6,126,000
A colorful and hands-on way to master early math skills! Each disk is assigned a color according to place value for easy recognition. Students can visually track their progress as they practice addition and subtraction by grouping the numbers together. Includes 280 disks, 40 of each from the ones to millions places. Supports Singapore and Eureka Math. Disks measure 1†in diameter each. Ages 6+