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Montessori in a Minute: The Decanomial Bead Box

The Decanomial Bead Box is a unique educational tool used for over a century to teach young children about mathematics. The box contains ten bead bars of different-color, wooden beads strung together on a wire with varying lengths representing numbers from one to ten. These bead bars are organized in a pattern that helps children understand the relationship between numbers and quantities.


Each bead bar is color-coded to correspond to the quantity it represents. For example, the one bead bar is red, the two bead bar is green, the three bead bar is pink, and so on, up to ten, which is gold.

The Value of the Decanomial Bead Box

Children use the Decanomial Bead Box to explore mathematical concepts such as addition, multiplication, subtraction, and division. They learn to count, sequence, and recognize patterns using the bead bars. For example, children can take two bead bars of different colors and place them side by side to work on addition. They can count the total number of beads on both bars to find the sum. Similarly, they can take away one bead bar from another to subtract and see the difference.


In addition to teaching math concepts, the Decanomial Bead Box also helps children develop fine motor skills, hand-eye coordination, and concentration. Children must carefully handle the beads to place them in the correct compartments of the box, which requires focus and attention to detail.


The Montessori in a Minute Series

The Montessori In A Minute series regularly explores the unique benefits of Montessori philosophy, its fundamental materials, and areas of the classroom. For all parents at Hudson Montessori School (Jersey City, New Jersey), the school hosts several Parent Education Nights a year to learn about the Montessori method and how the students learn curriculum components using a Montessori framework.

Please contact us to learn more about Hudson Montessori School's interdisciplinary, theme-based learning approach to education, the Montessori philosophy and methodology, or how the school fosters the love of learning for children aged 2 to eighth grade.





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