A wooden box holding six full sets of cut-out numerals together with the plus and minus signs, which is what makes written addition and subtraction possible before a child can write. Six sets is the working number: an equation needs its two terms, its result and the digits repeated within them, and running out of sevens halfway through is exactly the interruption that ends a piece of work. The child composes the equation, solves it with material, then composes the answer. Wood with plastic, for ages 3 to 6.
“Free the child's potential, and you will transform him into the world.”
The Numerals and Signs International Version exists within the Montessori classroom as a bridge between concrete mathematical understanding and abstract symbolic representation.
Each red and white plastic numeral within its wooden compartmentalized tray serves a precise developmental purpose: transforming the child's sensorial experiences with quantities into written mathematical language. The International Version's specific design, with its distinct compartments for numerals and operation signs, addresses the child's need to isolate and master individual mathematical symbols before combining them into equations. When children select these plastic numerals from their organized wooden tray, they engage in the fundamental work of constructing their mathematical mind through direct manipulation. The red and white color coding of these numerals provides visual discrimination that helps children distinguish between different types of mathematical symbols. This compartmentalized storage system respects the child's developing sense of order while the tactile plastic pieces offer repeated opportunities for symbol recognition and mathematical expression.


Follow the Montessori method of presentation for optimal child development.
Place the wooden tray on a mat at the child's work area. Ensure all numerals and signs are properly sorted in their compartments. Have paper available for recording equations if desired.
Invite the child to explore the tray, removing one numeral at a time and naming it
Demonstrate placing numerals in sequence from 0-9 on the mat
Introduce operation signs one at a time, naming each symbol
Build simple equations using numerals and one operation sign
Encourage the child to create their own number combinations and equations

Heritage
Since 1929

Brands used by
schools worldwide

European brands

AMI
Endorsed

Concrete manipulation of numerals and symbols builds understanding of abstract mathematical concepts through sensorial experience.
Repeated handling of numerals and operation signs develops visual discrimination and mathematical literacy.
Present this material only after solid work with sandpaper numerals and concrete quantity materials
Everything you need to know about this material.
Contact Our ExpertsThis set includes red and white plastic numerals (0-9) with multiple quantities of each number, plus mathematical operation signs (+, -, ×, ÷, =) all stored in a wooden compartmentalized tray. The International Version uses universally recognized mathematical symbols suitable for worldwide use.
Children physically manipulate the numerals to build numbers, create equations, and explore mathematical relationships concretely. This hands-on approach helps develop number sense, understanding of place value, and familiarity with mathematical symbols before moving to abstract written work.
Unlike the golden beads or number rods that represent quantities visually, these numerals focus on symbol recognition and mathematical notation. They complement other Montessori math materials by bridging the gap between concrete quantity work and abstract mathematical writing.
Children can practice number formation, create multi-digit numbers to understand place value, set up and solve simple equations, match numerals to quantities from other materials, and explore mathematical patterns. The material supports work from simple number recognition to complex operations.
The color coding follows Montessori principles where different colors represent different place values or mathematical concepts. The durable plastic construction allows for frequent handling by young children, while the smooth surface makes the numerals easy to manipulate and arrange on work mats.
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