Inscribed And Concentric FiguresMetal
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-011800
- Maker
- Nienhuis Montessori, since 1929
- Approval
- AMI
- Frame Material
- Metal
- Inset Finish
- Red painted surface
- EAN
- 8719924006778
Final price incl. VAT. Free delivery.
Advice, warranty and returns are handled by us.
Why it costs €226.90
Behind the price of the original are things you can check yourself.
AMI approval
The material is approved by the Association Montessori Internationale (AMI). Nienhuis has made Montessori materials since 1929.
A verifiable original
The EAN 8719924006778 is on the box. It is the maker's number, not ours.
Inscribed And Concentric Figures in a child's hands
The Inscribed and Concentric Figures material features precision metal insets presenting geometric relationships through circles and squares of progressively increasing sizes. This advanced geometry material allows children to explore the mathematical concepts of inscribed and concentric shapes through hands-on manipulation, supporting the development of spatial reasoning and geometric understanding essential for upper elementary mathematics.
Geometric Reasoning
Develops understanding of inscribed and concentric relationships through hands-on exploration of progressively sized shapes.
Mathematical Abstraction
Bridges concrete manipulation to abstract geometric concepts, preparing for advanced mathematical thinking.
Spatial Intelligence
Enhances spatial visualization skills through comparison and arrangement of geometric forms.
Fine Motor Precision
Refines pincer grasp and hand control through careful manipulation of knobbed insets.
How to present it
Place the metal insets on a felt mat in order from smallest to largest. Provide paper, pencils, compass, and ruler on a tray.
- 1Begin with the largest square and circle insets, demonstrating how the circle fits perfectly inside
- 2Trace the square on paper, then place the corresponding circle inside and trace it
- 3Continue with progressively smaller insets, creating concentric patterns
- 4Measure the diameter of circles and sides of squares to discover relationships
- 5Create original designs using combinations of inscribed figures
3 tips for parents
- Look for concentric and inscribed patterns in everyday life: tree rings, ripples in water, architectural details
- Support mathematical discoveries without rushing to formulas - let understanding develop through exploration
- Provide graph paper and drawing tools at home for continued geometric exploration
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
- Circle insets: 5 concentric circles of increasing size
- Square insets: 5 concentric squares of increasing size
- Metal frames: 10 precision-cut frames
Size and material
| Packaging | 15 × 15 × 8 cm |
| Frame Material | Metal |
| Inset Finish | Red painted surface |
| Recommended Age | 6-12 years |
Care
Wipe with damp cloth, dry immediately to prevent rust
Frequently Asked Questions
What geometric concepts do children learn with the Inscribed and Concentric Figures material?
Children explore the relationships between circles and squares, understanding how shapes can be inscribed within others and how concentric figures share the same center point. They discover proportions, ratios, and the mathematical relationships between different sized geometric forms.
How does this material differ from the basic metal insets used in primary?
While primary metal insets focus on fine motor control and shape recognition, the Inscribed and Concentric Figures material introduces advanced geometric concepts including spatial relationships, proportional reasoning, and mathematical properties of inscribed and concentric shapes suitable for ages 6-12.
What mathematical skills does this material develop?
This material develops spatial reasoning, understanding of geometric relationships, proportional thinking, and prepares children for advanced geometry concepts including circumference, area calculations, and the mathematical relationships between inscribed and circumscribed figures.
How do children typically work with these metal figures?
Children trace the figures, observe the relationships between sizes, create artistic geometric designs, and explore mathematical concepts through hands-on manipulation. They may also use the material to discover formulas and relationships between inscribed shapes.
Why is the material made of metal rather than wood or plastic?
Metal provides precise edges essential for accurate geometric work, durability for repeated use, and a satisfying weight that helps children focus on their work. The precision of metal manufacturing ensures exact mathematical relationships between the figures.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Inscribed And Concentric Figures