International Montessori education emphasizes a hands-on and comprehensive approach to learning, allowing children to engage with materials and concepts in a concrete and meaningful way

Montessori education emphasizes a hands-on and comprehensive approach to learning, allowing children to engage with materials and concepts in a concrete and meaningful way. When it comes to teaching measurement, Montessori activities provide a multi-sensory experience that helps children understand the concepts of length, area, capacity, and volume.

Length Activities


Montessori measurement activities begin with introducing the concept of length. Child-friendly materials such as the long rods and the knobbed cylinders are used to help children explore and compare different lengths. Through these manipulative materials, children develop a sense of straightness, alignment, and precision in measurement.

The long rods consist of a series of ten wooden rods varying in length from 10cm to 1m. Children can practice arranging them in order, placing them end to end, and measuring objects in the environment. This activity helps them develop their visual discrimination skills, hand-eye coordination, and an understanding of numerical concepts such as counting, order, and size comparison.

The knobbed cylinders, on the other hand, provide children with an opportunity to explore differences in length and thickness. By manipulating these cylinders, they learn to grade objects of varying sizes according to their length and understand the concept of height, depth, and weight.

Area Activities


Once children have a good grasp of length, they can move on to exploring concepts of area and surface measurement. Montessori introduces materials such as the geometric cabinet and the constructive triangles to provide children with hands-on experiences in understanding area and shape.

The geometric cabinet includes a set of wooden frames that contain removable insets of various shapes such as circles, triangles, rectangles, and polygons. Children can explore and experiment by fitting the insets into corresponding frames, learning to recognize different shapes and associating them with detailed language. This activity promotes visual discrimination, shape recognition, and helps children develop spatial awareness and understanding of area measurement.

The constructive triangles consist of wooden triangles in various shapes and sizes, including equilateral, isosceles, and scalene triangles. By manipulating these triangles, children learn about different angles, symmetrical shapes, and discover how shapes can be combined to create new ones. This activity enhances problem-solving skills, encourages logical thinking, and fosters creativity in children.

Capacity and Volume Activities


Montessori measurement activities also focus on teaching children about capacity and volume. Materials such as the pouring station and the sandpaper discs help children understand the relationship between liquids and measurement units.

The pouring station consists of different containers and pitchers of varying sizes. Children learn to pour liquids into different containers, observing how the volume changes and comparing quantities using simple mathematical language like “more” and “less.” This activity allows children to explore concepts of capacity, estimation, and develop fine motor skills through pouring and handling liquids.

The sandpaper discs offer a tactile and visual experience for children to learn about geometric shapes as well as volume. By feeling the difference in texture and observing variations in thickness, children can indirectly understand the concept of volume as they explore the relationship between shape and capacity.


Montessori measurement activities provide children with a comprehensive approach to learning about measurement. By engaging with hands-on materials and activities, children develop a deep understanding of length, area, capacity, and volume. These activities stimulate their senses, promote critical thinking, and lay the foundation for further exploration in the world of mathematics and science.


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