Coloured Counting Bars: Ten Graduated Wooden Mathematical Bars

Price

€401.52

Final price - seller not VAT-registered

Shipping & Delivery

In Stock · 2-3 days

Quantity

Age Range3-6 Years

MaterialSolid wood with non-toxic paint finish

DimensionsApprox. 30 × 30 × 6 cm

CertificationAMI Approved

About

The Colored Counting Bars introduce mathematical concepts through sensorial exploration, featuring ten precisely crafted wooden bars in graduated lengths from 1 to 10 units. Each bar is painted in a distinct color, making it possible for children to associate quantity with both visual length and color recognition while developing their understanding of numerical relationships through hands-on manipulation.

“The hands are the instruments of man's intelligence.”

- Maria MontessoriThe Absorbent Mind

AMI ApprovedOfficial Nienhuis

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2-Year WarrantyQuality guaranteed

Everything You Need

Colored wooden barsSet of 10 in graduated lengths

Wooden storage trayWith individual compartments

The Montessori Method

The Colored Counting Bars embody Montessori's principle of isolating difficulty while integrating multiple concepts through sensorial experience. By assigning each quantity a distinct color, the material creates a concrete, visual representation of abstract numerical concepts. This follows Maria Montessori's observation that children absorb mathematical relationships through their senses before developing abstract understanding. The bars serve as a bridge between the sensorial and mathematical areas, allowing the child to physically manipulate quantities while unconsciously absorbing mathematical relationships. The material respects the child's need for repetition and self-correction, as the graduated lengths provide immediate visual feedback. Through this work, children develop mathematical mind characteristics: precision, order, and abstraction, while building the foundation for later work with the number rods and numerical operations.

✹Visual discrimination of length and proportional relationships✹One-to-one correspondence between quantity and numerical value✹Sequential ordering and seriation skills✹Foundation for understanding the decimal system✹Preparation for addition and subtraction through physical manipulation

Coloured Counting Bars: Ten Graduated Wooden Mathematical Bars - Child learning

AMI Approved

Activity Guide

Step by Step to Mastery

5 steps to mastery

Model slow, deliberate movements to emphasize care and precision

Run your finger along the length difference to highlight the unit variation

Use the language 'shorter than' and 'longer than' consistently

This creates a sensorial impression of regular incrementation

Initially focus on 1-3, gradually extending to 10 as the child shows readiness

Browse steps

Model slow, deliberate movements to emphasize care and precision

Run your finger along the length difference to highlight the unit variation

Use the language 'shorter than' and 'longer than' consistently

This creates a sensorial impression of regular incrementation

Initially focus on 1-3, gradually extending to 10 as the child shows readiness

Developmental Benefits

Why Educators Choose This

Mathematical Foundation

Builds concrete understanding of quantity, sequence, and numerical relationships through visual and tactile exploration.

Visual Discrimination

Develops ability to perceive differences in length and associate colors with specific quantities.

Order and Sequence

Reinforces concepts of gradation, seriation, and logical ordering from smallest to largest.

Preparation for Mathematics

Provides sensorial foundation for later work with number rods, addition, and subtraction operations.

Use consistent mathematical language

'This is one,' not 'This is the blue bar' to emphasize quantity over color

Allow ample time for repetition before introducing variations - mastery comes through repeated sensorial experiences

Observe whether the child is ready for abstraction by noting if they can identify quantities without counting each unit

Pro Tip

“Present this material after the child has worked extensively with the red rods to ensure understanding of length discrimination”

The Gold Standard in Montessori

Every Child Is a Little Creator

Heritage

Since 1929

Brands used by

schools worldwide

European brands

AMI

Endorsed

Have Questions?

Frequently Asked Questions

Everything you need to know about this material.

Contact Our Experts

What mathematical concepts do the Colored Counting Bars teach?

The Colored Counting Bars introduce number sequence 1-10, visual discrimination of length, one-to-one correspondence, and the concrete representation of quantity. Children learn addition, subtraction basics, and develop number sense through manipulating the graduated bars.

How do children work with this material in the classroom?

Children begin by arranging bars from shortest to longest, learning to visually discriminate length differences. They count each unit, match quantities to numerals, and eventually use the bars for simple arithmetic operations and pattern creation.

What makes this material worth the investment of €401.52?

Each bar is precisely crafted to exact measurements with durable hardwood construction and non-toxic paint finishes. The material supports years of mathematical learning from ages 3-6, building foundational concepts that prepare children for advanced mathematics.

How does the color coding support learning?

Each bar's distinct color helps children associate specific quantities with visual cues, enhancing memory and recognition. The consistent color-number relationship aids in quick identification and supports children who learn better through color association.

What skills should children have before using this material?

Children should have experience with sensorial discrimination activities and be able to handle materials carefully. Basic counting skills to 10 and the ability to follow multi-step presentations are helpful, though the material itself teaches these concepts.

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