Leaves size-sorting sensorial kids activity promotes classification and visual discrimination skills in toddlers, preschoolers, and kindergartners.
Sorting leaves by size is an excellent visual discrimination exercise! Besides, you get to venture outdoors and enjoy nature. (Please note you can use green leaves as well! The colors are merely aesthetic in this activity.) And the best part is you can modify it to sort anything ~ follow your child’s interest! So, let’s collect some leaves to bring the size-sorting kids’ activity to life!
Leaves Size-Sorting Kids Activity
Note On Labels
I purposefully used the word “BIG” because I also wanted to emphasize the SIZE of the words themselves, so the word “large” would not have fit. But feel free to use the words interchangeably.
You’ll Need:
- A recycled cardboard
- A marker
- Leaves of various sizes (green leaves work too)
Who knew that sorting activities offer so many developmental benefits?
From big to medium to small, we’re igniting young minds with the art of classification – a fundamental skill for life!
Amidst the chance to get outdoors and embrace nature, our little explorers learn to identify patterns, differentiate sizes, and exercise their critical thinking abilities.
Beyond the fun and giggles, sorting leaves nurtures their cognitive development, laying the groundwork for future problem-solving prowess.
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Leaves Size-Sorting Kids Activity Video Tutorial
Leaves Size-Sorting Kids Activity Instructions
First, decide on the size of big, medium, and small leaves. Choose and place a sample of each size in their corresponding columns. [Since all sizes are relative to each other, I suggest starting with a specimen, which establishes a point of reference.]
Then, pick a random leaf. Compare it to a big leaf by hovering it over the big leaf. If the size is similar, place your leaf next to the big leaf under the BIG column.
However, if the size is drastically different, compare your leaf to a small leaf by laying a comparing leaf over the small leaf. Place that leaf in that “small” column if the size matches. If it does not match, compare it to the middle-sized leaf.
Keep comparing leaves to the ones already sorted into columns when deciding where to sort your leaf.
Leaves Size-Sorting Kids Activity | Skills At Play
– hand-eye coordination
– fine motor control & dexterity
– visual discrimination
– sorting and classifying
– language development: big, medium, small
Visual Discrimination – Size
When children begin learning about size skills such as big/medium/small or tall/short, and they begin comparing them (for example, “this is smaller than that; I am taller than her”), they explore concepts of measurement. This is a fundamental and important skill to learn to understand that items have attributes that can be measured.
Typically, children learn length first, then weight. In the early years, one of the best ways to teach about measurement and size was through hands-on learning activities and sorting. Young children first learn to compare object sizes by perception – regardless of whether the objects look the same or different. Thereafter, children learn to compare by placing the objects next to each other ~ also called a tactile approach.
Finally, when children understand measurement attributes and can compare those, they are ready to apply this sizing discrimination knowledge to other areas of disciplines, such as math, practical life, science, and so forth.
Leaves Size-Sorting Kids-Activity

Why Spatial Awareness is Important
Spatial awareness and classification are like magic keys that open doors to a whole new world of learning and development for children. These two interconnected cognitive skills play a crucial role in shaping a child’s understanding of themselves, their environment, and the concepts that govern the world they live in. Here’s why they are so important:
Discovering Their Bodies and Space:
Spatial awareness allows children to understand their own bodies in relation to the surrounding space. This awareness begins with basic concepts like up and down, near and far, and expands to include more complex ideas like left, right, front, and back. This skill helps children become aware of their physical presence and develop coordination and balance. It also contributes to body image development and self-confidence as children learn how to navigate and interact with their environment.
Enhancing Motor Skills:
Spatial awareness and classification are closely tied to the development of fine and gross motor skills. Children learn how to manipulate objects in their environment, which is crucial for activities like drawing, writing, playing sports, and using tools. By understanding spatial relationships, children can better control their movements and perform tasks that require hand-eye coordination, such as stacking blocks, solving puzzles, and tying shoelaces.
Laying the Foundation for Math and Science:
Spatial skills are a fundamental building block for mathematical and scientific thinking. Understanding concepts like size, shape, position, and quantity are essential for later mathematical learning. Children use spatial reasoning to solve problems involving geometry, measurement, and spatial patterns. In science, spatial awareness helps with understanding spatial relationships in the physical world, which is crucial for concepts like mapping, navigation, and even understanding the structure of atoms and molecules.
Fostering Problem-Solving Abilities:
Spatial awareness and classification encourage critical thinking and problem-solving abilities. When children engage in activities that require them to manipulate objects, arrange items in a particular order, or navigate through complex environments (such as mazes), they develop analytical and problem-solving skills. These skills extend beyond the physical world to help children think logically and creatively when faced with challenges in various aspects of life.
Boosting Creativity and Imagination:
Spatial skills also contribute to creativity and imagination. When children have a strong understanding of how objects relate to each other in space, they can use this knowledge to create art, design structures, and envision new possibilities. This spatial fluency allows them to build and experiment with ideas, fostering their creativity and innovative thinking. For example, a child might build intricate structures with building blocks or imagine complex scenes while playing with toys, drawing from their spatial awareness.
In summary, spatial awareness and classification are like magic keys because they open doors to a wide range of developmental opportunities for children. These skills empower children to explore their bodies, enhance their motor skills, lay the foundation for mathematical and scientific thinking, foster problem-solving abilities, and boost their creativity and imagination, all of which are crucial for their holistic growth and development.
Leaves Size-Sorting Kids Activity
Have you tried sorting leaves by size? Regardless if you live in a temperate region to witness the deciduous trees change color, this activity can be fun with green tropical leaves of different sizes.
Leave a comment if you will give the leaf size-sorting kids activity a try!
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For More Sensorial Activities …
See here Grain Lentils Dyed Rice Apples Sensory Craft for kids.

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