Quantity Splitting Box — Two-Tier Mathematical Sorting Activity

Name: Quantity Splitting Box — Two-Tier Mathematical Sorting Activity
Brand: Nienhuis Montessori
SKU: NIE-320000
Price: 65.7 EUR
Availability: InStock

Price

€65.70

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Shipping & Delivery

In Stock · 2-3 days

Quantity

Age Range3-6 Years

MaterialBeechwood

Dimensions15 × 15 × 8 cm

CertificationAMI Approved

About

This Quantity Splitting Box engages children in mathematical exploration through hands-on sorting activities. The two-tier design features a sliding lid compartment for storing colorful glass marbles and divided sections below for distributing quantities, supporting early number sense and one-to-one correspondence. The smooth beechwood construction and precision finger joints ensure durability for repeated classroom use.

“Children display a universal love of mathematics, which is par excellence the science of precision, order, and intelligence.”

— Maria MontessoriThe Discovery of the Child

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Everything You Need

Wooden splitting boxTwo-tier design with sliding lid

Glass marblesApprox. 15 pieces in assorted colors

The Montessori Method

The Quantity Splitting Box embodies Maria Montessori's principle of concrete mathematical experiences preceding abstract understanding. In the Sensorial area, this material serves as an indirect preparation for mathematics, allowing children to physically manipulate quantities before formal number work begins. The material respects the child's need for order and precision through its compartmented design, while the beautiful glass marbles appeal to the child's aesthetic sense. This bridges sensorial exploration with mathematical concepts, following Montessori's observation that children construct mathematical understanding through repeated handling of concrete materials. The two-tier design supports the child's natural tendency toward classification and distribution, fundamental skills for later arithmetic operations.

✹Development of one-to-one correspondence through careful placement of marbles✹Visual discrimination of quantity differences between compartments✹Fine motor control and precision in handling small objects✹Understanding of equal distribution and early division concepts✹Concentration and completion of work cycles through systematic sorting

Quantity Splitting Box — Two-Tier Mathematical Sorting Activity — Child learning

AMI Certified

Activity Guide

Step by Step to Mastery

5 steps to mastery

Move slowly and deliberately to model careful handling

Use exaggerated, isolated finger movements to highlight the motion

Pause after placing to allow visual impression of the quantity

Work left to right to reinforce reading preparation

Count silently to avoid premature number association

Browse steps

Move slowly and deliberately to model careful handling

Use exaggerated, isolated finger movements to highlight the motion

Pause after placing to allow visual impression of the quantity

Work left to right to reinforce reading preparation

Count silently to avoid premature number association

Developmental Benefits

Why Educators Choose This

Mathematical Reasoning

Splitting quantities develops understanding of division, equal distribution, and number relationships through concrete manipulation.

Fine Motor Control

Precise marble placement and sliding lid operation refine pincer grip and hand-eye coordination.

Visual Discrimination

Sorting colored marbles into compartments strengthens visual perception and classification skills.

Concentration Development

The systematic process of distributing marbles equally requires sustained focus and attention to detail.

Observe whether the child distributes systematically or randomly to assess readiness for number work

Store extra marbles separately to maintain consistent quantity for initial presentations

Use this as assessment for readiness for Mathematics area materials like Spindle Boxes

Pro Tip

“Present this material after the child has mastered simpler sorting activities like Color Tablets”

The Gold Standard in Montessori

Every Child Is a Little Creator

Heritage

Since 1929

Trusted by

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Handcrafted

in Europe

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Have Questions?

Frequently Asked Questions

Everything you need to know about this material.

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What mathematical concepts does the Quantity Splitting Box teach?

The Quantity Splitting Box introduces one-to-one correspondence, quantity distribution, early division concepts, and number sense. Children learn to split quantities equally, compare amounts, and understand the relationship between wholes and parts through hands-on manipulation.

How many marbles come with the Quantity Splitting Box?

The box typically includes 20-30 colored glass marbles stored in the sliding lid compartment. The exact quantity allows children to practice splitting numbers into equal groups of 2, 3, 4, 5, or more, supporting various mathematical explorations.

What is the difference between this and other Montessori math materials?

While classified as Sensorial, the Quantity Splitting Box bridges sensorial and mathematical learning. Unlike abstract counting materials, it provides concrete, visual representation of division through physical distribution, making it ideal for introducing mathematical concepts before formal math materials.

How do children progress with the Quantity Splitting Box activities?

Children begin by freely exploring marble distribution, then progress to equal sorting (dividing marbles evenly), pattern creation, and eventually understanding remainders. Extensions include skip counting, introduction to fractions, and preparation for division operations.

Is the Quantity Splitting Box safe for 3-year-olds given the small marbles?

Yes, when used under appropriate supervision. The glass marbles are specifically chosen for their weight and sensorial quality. Always ensure children who still mouth objects are closely supervised, and consider the individual child's readiness for materials with small parts.

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