Visual Discrimination by Size: Activity Cards (Spanish Edition)
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Visual Discrimination: Large-Medium-Small
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Made by Nienhuis Montessori · shipped by Heutink International (Netherlands) About the maker
Sharpening perception one step at a time, this visual discrimination card set helps children develop size perception through engaging comparison activities. Each laminated card features familiar objects like cupcakes and gourds in three distinct sizes, freeing children to practice ordering from smallest to largest. The durable cardstock construction with rounded corners ensures safe, repeated use during individual or small group lessons.
“The hands are the instruments of man's intelligence.”
The Discriminación Visual Por Tamaño cards address the child's critical need to refine visual perception during the sensitive period for order and classification.
- Visual discrimination of size differences between objects
- Left-to-right sequencing and ordering skills
- Mathematical concepts of comparison (small, medium, large)
- Fine motor control through card manipulation
Read More
These size discrimination cards isolate the single quality of dimension, presenting familiar objects like cupcakes and gourds in three graduated sizes. Through repeated work with these laminated cards, children build the neural pathways necessary for mathematical thinking and logical sequencing. The rounded corners and durable cardstock construction allow children to handle the cards independently, sorting and arranging them according to their developing perception of size relationships. By featuring everyday objects in clear size gradations, these discrimination cards bridge the child's concrete experiences with abstract concepts of comparison and seriation. The visual isolation of size differences in each card set creates a control of error, enabling children to self-correct as they arrange objects from smallest to largest, building confidence in their perceptual judgments.

How to present it
Follow the Montessori method of presentation for optimal child development.
Place the card set on a small mat or tray. Ensure adequate lighting and a clutter-free workspace. Have all cards from one object category (e.g., all cupcake cards) ready.
- 1
Introduce one set of three cards showing the same object in different sizes
Use precise language: 'small cupcake,' 'medium cupcake,' 'large cupcake' - 2
Mix the three cards and invite the child to arrange them from smallest to largest
Place cards left to right to reinforce reading preparation - 3
Once mastered, introduce a second object set and work with both simultaneously
Keep object types separate initially to maintain clarity - 4
Progress to mixing multiple object sets for advanced sorting challenges
Children can create rows or columns of graduated sizes
Every Child Is a Little Creator

Heritage
Since 1929

In classrooms
Around the world

European brands
Nienhuis, GAM, Educo

Visual Discrimination by Size: Activity Cards (Spanish Edition)
