Preschool Matching and Sorting Games
Published on: January 27, 2009
Sorting by Size: A Montessori Sensorial Activity
One of the most beautiful moments in a child's development is when they begin to notice differences — when their eyes light up as they realize that one object is bigger than another. Sorting by size is a foundational Montessori sensorial activity that nurtures this natural curiosity.
Why Sorting by Size Matters
- Visual discrimination: Perceiving differences and similarities between objects
- Order and sequence: Arranging items in a logical progression
- Mathematical foundations: Concepts of greater than, less than, and equal to
- Concentration and focus: Sustained attention required
- Language development: Vocabulary such as "big," "medium," "small," "larger," and "smallest"
Bringing Nature to the Activity: Woodland Animal Themes
Children are drawn to the natural world, and incorporating familiar woodland creatures into sorting activities makes the experience even more engaging. Imagine your child sorting cheerful beavers, tiny tadpoles, and playful squirrels by size.
How to Present the Activity
Prepare a tray with animal cards or figures in varying sizes. Sit beside your child and slowly demonstrate the sorting process. Then, invite your child to try.
You can extend this activity by asking your child to arrange the animals from smallest to largest, mirroring the work done with the classic Montessori Pink Tower and Brown Stair materials.
Extending the Learning
Once your child has mastered sorting by size with one set, introduce additional challenges. Mix multiple animal types and ask your child to first sort by animal and then by size within each group.
You can also bring the activity outdoors! Collect sticks, leaves, or stones and invite your child to arrange them.