Overview

Montessori Addition Strip Board is a core Montessori Mathematics material designed to provide concrete understanding of abstract concepts. The Addition Strip Board helps children practice addition combinations and memorize addition tables. Package size: 42cm x 31cm x 5cm, weight: 2.94kg. Using the Addition Strip Board, the child practices the sequence of addition combinations 1-9, and begins the process of memorization of the addition tables. The material is composed of a hardboard chart 12 squares by 18 squares with the numbers 1-18 printed across the top. Stored in a hardwood box are the strips used for the exercise, 9 red strips divided into squares and 9 solid blue strips, both printed with the numerals 1-9.




Package Size and Weight: 42cm x 31cm x 5cm, 2.94kg
This is an Authentic Genuine Montessori material, it is a teaching aid, not a “Montessori toy”.

Recommended Age Range

Typically introduced between 3–6 years for foundational numeracy; extended use in 6–12 for advanced concepts.

Key Learning Outcomes

• Concrete understanding of quantity and symbol.
• Introduction to place value, operations, and sequencing.
• Indirect preparation for arithmetic, algebra, and geometry.

Purpose of the Material

To offer children a tangible experience of mathematical concepts, moving from hands-on work to abstraction.

How It’s Used

1. Introduce the material with a clear, focused demonstration.
2. Guide the child to explore step by step.
3. Encourage repetition to build confidence and internalisation.
4. Extend to operations or variations when ready.

How to Present the Activity

1. Invite the child to work with you.
2. Demonstrate carefully and slowly, naming each step.
3. Isolate one difficulty at a time.
4. Offer the work to the child and observe quietly.

Extensions

• Introduce related maths materials for deeper exploration.
• Combine with language lessons for integrated learning.
• Encourage games that apply the concept in daily life.

Tips for Home Use

• Use consistent language for mathematical concepts.
• Allow repetition without correction.
• Make maths concrete with daily objects (measuring, cooking, counting).

Material & Safety Information

Always exercise extreme caution and care, never leave a child unattended and without adequate supervision with any of the equipment or material advertised on our website and catalogue. Many of the products on our website and in the catalogue are designed according to scientific teaching principles. They are teaching aids, not toys. They must be used under professionally trained adult supervision.

Our products include educational Montessori materials as well as child-friendly educational toys. Montessori materials are teaching aids and not toys — they must be used under adult supervision. Toys in this category are designed for play but still require appropriate care and supervision.

The Heart of Montessori Learning

In Montessori education, the importance of learning is not found only in the materials, but in the way they are introduced. The true magic lies in the prepared adult, the prepared environment, and the respectful relationship between adult and child. When this relationship is built on trust, respect, and authentic love, the child feels safe and inspired to explore. As Dr. Maria Montessori explained, it is through this deep connection that learning is joyfully and naturally absorbed. Montessori called h…