Blue Geometric Bar50mm Length & Quantity Concept Introduction
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-0132A002
- Maker
- Nienhuis Montessori, since 1929
- Primary Material
- Approx. painted wood
- Finish
- Approx. blue paint
- EAN
- 8719924007201
Final price incl. VAT. Delivery €5.90, €130.10 to go for free delivery.
Geometric Hierarchy of Number €694.90Advice, warranty and returns are handled by us.
Blue Geometric Bar in a child's hands
The blue bar from the Geometric Hierarchy Of Number, 5 by 0,5 by 0,5 cm, sold on its own as a replacement or an addition. The whole material is an argument made in wood rather than in words: the small green cube is half a centimetre on each edge, ten of them end to end give this bar its five centimetres, ten bars side by side make the tablet, and ten tablets stacked make the large cube. Each step is visibly ten of the one before it. The complete material is a separate item.
Mathematical Preparation
Introduces concepts of length, quantity, and unit measurement through concrete manipulation
Visual Discrimination
Segmented markings develop the ability to perceive differences in dimension and proportion
Fine Motor Control
Handling the small bar refines pincer grip and hand-eye coordination
How to present it
Place the blue bar on a neutral-colored mat at the child's workspace. Ensure good lighting to clearly see the segment markings. Have a tray ready for carrying the material.
- 1Invite the child to carry the tray with the blue bar to their mat using two hands
- 2Place the bar horizontally on the mat and run your finger slowly along its entire length from left to right
- 3Trace each 5mm segment individually with your fingertip, pausing briefly at each marking
- 4Invite the child to trace the bar, first the whole length, then each segment
- 5After sufficient sensorial exploration, begin counting each segment aloud: 'one, two, three, four, five...'
3 tips for parents
- At home, create opportunities to notice segments in everyday objects like rulers, fences, or floor tiles to reinforce the concept
- Avoid rushing to counting - allow plenty of time for sensorial exploration through touching and visual examination
- Support your child's work by providing uninterrupted time and avoiding the temptation to 'teach' - trust the material to guide discovery
If you are not sure it suits your child, we answer in person.
Norbert Kovalčín, founder of Faborino · write to him
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What's in the Box
- Blue Counting Bar: 50 x 5 x 5 mm with segment markings
Size and material
| Packaging | 13 × 9 × 1 cm |
| Primary Material | Approx. painted wood |
| Finish | Approx. blue paint |
| Recommended Age | 3-6 years |
Care
Wipe with slightly damp cloth, dry immediately
Frequently Asked Questions
What skills does the Geometric Hierarchy blue bar develop?
The blue bar develops visual discrimination, length perception, spatial awareness, and introduces mathematical concepts through hands-on exploration. Children learn to compare sizes, understand proportions, and build a concrete foundation for abstract number concepts.
How is this blue bar used in Montessori activities?
Children use the bar for comparing lengths, ordering exercises, and matching activities. The segmented markings help them count units visually and tactilely, preparing them for more advanced mathematical materials like the number rods and red and blue rods.
What are the exact dimensions and materials?
The blue bar measures 50mm in length, 5mm in width, and 5mm in height. It's crafted from smooth, child-safe wood with a blue finish and features evenly spaced markings along its length for counting and measuring activities.
Why is this material suitable for ages 3-6?
At this age, children are in their sensitive period for order and sensorial exploration. The bar's size is perfect for small hands, and its simple design allows young learners to focus on one concept at a time without overwhelming complexity.
How does this bar connect to other Montessori materials?
The blue bar serves as a bridge between sensorial and mathematical materials. It prepares children for work with number rods, bead chains, and the decimal system, creating a seamless progression from concrete sensorial experiences to abstract mathematical understanding.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Blue Geometric Bar