Baric Tablets: Weight Discrimination in Three Densities
Made by Nienhuis Montessori · shipped by Heutink International (Netherlands) About the maker
The Baric Tablets isolate weight from every other clue: three boxes of ten wooden tablets each, light, medium and heavy. Working blindfolded, the child balances the tablets on the fingertips and sorts them by weight alone. The material then checks the work itself, because the lightest wood is also the lightest in colour and the heaviest the darkest, so one look after the sorting confirms or corrects the hands. The exercise refines the muscular sense of weight and the stillness such comparing demands. Ages 3-6.
“The greatest sign of success for a teacher is to be able to say, 'The children are now working as if I did not exist.'”
The Baric Tablets exemplify Montessori's principle of isolating a single quality for the child's exploration.
- Development of baric sense through discrimination of weight differences
- Refinement of muscular memory and proprioceptive awareness
- Preparation for mathematical concepts of mass, weight, and density
- Enhancement of concentration through focused sensorial work
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By presenting tablets identical in size and appearance but varying only in weight, we enable the child to focus purely on the baric sense. This material demonstrates Montessori's understanding that refinement of the senses is the foundation for intellectual development. Through handling these tablets, children develop what Montessori called 'muscular memory' - the proprioceptive awareness that later supports mathematical understanding of mass, density, and measurement. The material's self-correcting nature allows children to work independently, building confidence through repeated practice. The precise gradation from lightest to heaviest provides the order that young children crave while training their ability to perceive subtle differences, preparing the hand and mind for future academic work.
How to present it
Follow the Montessori method of presentation for optimal child development.
Place the three boxes on a table. Ensure tablets are at room temperature. Work on a mat to define the workspace and minimize noise.
- 1
Begin with two contrasting sets (lightest and heaviest). Remove tablets and mix them on the mat.
Hold each tablet with fingertips at the edges, using the whole hand to feel the weight - 2
Pick up one tablet with dominant hand, feel its weight by gently moving the hand up and down.
Close eyes to enhance concentration on the baric sense - 3
Transfer to non-dominant hand, then pick up another tablet with dominant hand to compare.
Use slow, deliberate movements to fully experience each weight - 4
Pair matching weights together. Continue until all tablets are paired.
Place paired tablets in a row for visual organization - 5
Introduce the medium weight set for three-way discrimination once child masters two sets.
Always progress from most contrasting to subtle differences
Every Child Is a Little Creator
Heritage
Since 1929
In classrooms
Around the world
European brands
Nienhuis, GAM, Educo
AMI approved
To the association standard
Baric Tablets: Weight Discrimination in Three Densities
