Addition Equations BoxSelf-Correcting Facts Practice
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-014600
- Maker
- Nienhuis Montessori, since 1929
- Approval
- AMI
- Box Construction
- Natural wood with sliding lid
- Cards
- Laminated paper for durability
- EAN
- 8719924007591
Final price incl. VAT. Delivery €5.90, €96.10 to go for free delivery.
Advice, warranty and returns are handled by us.
Why it costs €52.90
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 8719924007591 is on the box. It is the maker's number, not ours.
Addition Equations Box in a child's hands
A two compartment wooden box with a lid holding two sets of plastic chips: one printed with equations, one with the answers. Every equation and every sum for the addends one to nine is there. Laying an equation down and then finding its answer among a hundred chips is slower than being told, and that slowness is the material: the answer arrives as something the child located rather than something they were given. Used with the addition working charts, sold separately. Plastic and wood, for ages 3 to 12.
Mathematical Mind Development
Concrete manipulation of equation and answer cards builds understanding of addition relationships and number patterns.
Independence and Self-Correction
Children can check their own work by matching equations to sums, fostering confidence and autonomous learning.
Order and Concentration
The organized presentation in compartments promotes systematic work habits and sustained focus on mathematical concepts.
Abstract Thought Preparation
Repeated practice with concrete cards prepares the child for mental calculation and abstract mathematical thinking.
How to present it
Place the box on a mat with the sliding lid closed. Ensure all equation cards are in one compartment and sum cards in another. Have a small basket nearby for completed matches.
- 1Demonstrate sliding open the lid with slow, deliberate movements
- 2Remove one equation card at a time, reading it aloud: 'Two plus three'
- 3Search through sum cards to find the matching answer, comparing carefully
- 4Place matched pairs together on the mat in organized columns
- 5After matching several, show how to verify by counting on fingers if needed
- 6Return cards to proper compartments when finished
3 tips for parents
- Resist correcting errors immediately, allow your child to discover mismatches through their own comparison and checking
- Practice similar matching games with everyday objects (matching socks, sorting silverware) to reinforce the concept at home
- Avoid drilling math facts verbally; instead trust the material to create natural memorization through repeated handling
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
- Wooden Storage Box: With sliding lid marked with plus symbol
- Equation Cards: Approx. 25 addition problems
- Answer Cards: Approx. 25 corresponding sum cards
Size and material
| Packaging | 22 × 10 × 5 cm |
| Box Construction | Natural wood with sliding lid |
| Cards | Laminated paper for durability |
| Recommended Age | 3-6 years |
Care
Wipe wooden box with damp cloth; clean cards with soft dry cloth
Frequently Asked Questions
What age is the Addition Equations and Sums Box suitable for?
This material is designed for children ages 3-6 years who have mastered one-to-one correspondence and number recognition 0-10. It's typically introduced after the child has worked with number rods, spindle boxes, and cards and counters.
How does the self-correcting feature work?
Each equation card has a corresponding sum card that matches perfectly. Children can check their own work by seeing if the cards fit together correctly, promoting independence and self-assessment without adult intervention.
What's included in the wooden box?
The box contains equation cards showing addition problems (e.g., 2+3) and separate sum cards showing answers. The compartmentalized interior keeps cards organized by difficulty level, and the sliding lid ensures secure storage.
How does this differ from traditional math flashcards?
Unlike flashcards that rely on memorization, this Montessori material allows children to physically manipulate and match equations with sums, creating a concrete understanding of addition before moving to abstract concepts. The organized presentation supports systematic learning.
Can children work with this material independently?
Yes, after an initial presentation, children can work independently. The self-correcting nature, clear organization, and sliding lid design allow children to select work, complete activities, and return materials properly without assistance.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Addition Equations Box