Material name: Sandpaper Numerals (Montessori Sandpaper Numerals)
Area: Mathematics
Purpose & developmental benefits:
Sandpaper Numerals introduce children to the shapes and forms of numerals from 0 to 9 through the sense of touch. By tracing each numeral with their fingers, children internalize number forms more deeply. The textured surface supports muscle memory and kinesthetic learning, providing a natural and developmentally appropriate preparation for writing numbers.
Skills supported:
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Recognizes and names numerals 0–9
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Develops pre-writing skills through correct stroke sequence
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Refines tactile discrimination
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Improves concentration and fine motor control of the hand and fingers
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Integrates effectively with materials such as the Spindle Box and Number Rods in the mathematics sequence
Recommended age: 3–6 years
Material & design:
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A set of 10 numeral cards (0–9)
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Wooden or sturdy board with a blue or green background, in line with Montessori standards
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Numerals made from raised sandpaper, allowing clear finger tracing
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Rounded edges for child safety
Use in the classroom / at home:
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Initial activities for introducing numerals
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Supports multi-sensory learning for number recognition
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Commonly used in the Three-Period Lesson
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Combined with counting materials to reinforce the concept of quantity
