MaMontessoriBox_Subtraction board

EDUCATIONAL OBJECTIVE: discover and memorize subtraction tables. Contains : - Montessori educational material: . The Montessori Subtraction Chart, . A wooden box with 18 blue and red rods, . 1 completed control panel, . 18 individual sheets of subtraction tables from 1 to 18, . 2 finger tables, . 90 bills of subtractions. - a 20-page illustrated magazine, which combines the main Montessori principles with a focus on the life of André Stern, and the step-by-step method to successfully complete the activity with the child, - and other surprises...