Quality Montessori Materials for Toddler,
Primary and Elementary Environments.
E&O Montessori USA.
This set consists of 4 colour-coded division boards and a wooden tray, which holds seven racks of tubes with beads, 7 plastic coloured cups, 36 skittles, and 4 plastic boxes.
With this material, the child performs short and long division with dividends up to the millions and divisors up to 4 digits.