Articles tagged with "Bead Materials"
Negative Snake Game (Subtraction)
June 30, 2007
Negative Snake Game (Subtraction) — Montessori's Concrete Path to Subtraction, Zero, and Negative Numbers Published on: June 30, 2007 Mathematics Negative Snake Game (Subtraction) Ages 6 years and older — once the child is fluent with the Addition Snake Game, the Short Bead Stair, and the Golden Bead Material. Purpose …