The Montessori Hundred BoardThe Montessori Hundred Board is a mathematical learning material designed to help children develop a deep understanding of number sequencing, counting, and the decimal system. It is commonly introduced to children between the ages of five and six years as part of the Montessori mathematics curriculum.The material consists of a square board divided into one hundred spaces arranged in a 10 × 10 grid, along with numbered tiles from 1 to 100. Children place the number til