Part of the Decimal System collection, this classic Montessori Stamp Game transforms abstract mathematical concepts into concrete manipulative experiences through color-coded number tiles representing units, tens, hundreds, and thousands. The wooden compartmented tray organizes plastic tiles and game pieces systematically, giving children the ability to explore the decimal system, perform four operations, and develop a deep understanding of place value through hands-on manipulation.
“Education is a natural process spontaneously carried out by the human individual, and is acquired not by listening to words but by experiences upon the environment.”— Maria MontessoriEducation for a New World
The Stamp Game bridges the gap between concrete golden bead material and abstract paper calculations by providing color-coded tiles that children physically manipulate to solve mathematical problems. Each plastic tile in the Stamp Game represents a specific place value - green units, blue tens, red hundreds, and green thousands - allowing children to see and touch the decimal system's structure. The compartmented wooden tray organizes these tiles in columns that mirror written mathematical notation, helping children internalize how numbers are composed and decomposed. Through exchanging ten unit stamps for one ten stamp, or ten ten-stamps for one hundred stamp, children discover the hierarchical nature of our number system. The Stamp Game's portable format and individual tiles make it possible for children to work independently with large numbers and complex operations that would be cumbersome with golden beads.

Let the child feel the weight of holding multiple tiles versus one higher value tile
Always work from right to left, starting with units
Count each category separately before exchanging
Use a small dish to hold tiles during exchanges
Have the child verbalize each step to reinforce understanding
Let the child feel the weight of holding multiple tiles versus one higher value tile
Always work from right to left, starting with units
Count each category separately before exchanging
Use a small dish to hold tiles during exchanges
Have the child verbalize each step to reinforce understanding

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Since 1929

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Color-coded tiles make abstract place value concepts tangible and visually distinct
Hands-on manipulation of quantities develops concrete understanding before abstraction
Physical exchange and regrouping activities build logical thinking patterns
Step-by-step manipulation reinforces algorithmic thinking and procedural memory
Use graph paper beneath the work mat to help children align their columns properly
Introduce skittles (small colored pegs) for division work after mastery of other operations
Keep a set of problem cards organized by difficulty level in a separate box near the material
“Present the tray with all compartments clearly visible - children need to see the organization system before beginning work”
Everything you need to know about this material.
Contact Our ExpertsThe Stamp Game teaches place value, the decimal system, and all four mathematical operations (addition, subtraction, multiplication, and division). Children physically manipulate color-coded tiles representing units (green), tens (blue), hundreds (red), and thousands (green), making abstract math concepts concrete and understandable.
While labeled for ages 3-6, most children benefit from the Stamp Game around age 4-5, after mastering golden beads and number rods. Three-year-olds can begin with simple unit counting, but the full potential is realized when children understand quantities up to 9,999 and are ready for dynamic operations.
The Stamp Game is the natural progression from Golden Beads, offering a more abstract representation of numbers. While Golden Beads use physical quantities (1 bead = 1 unit, 10-bar = 10 units), stamps use flat tiles with printed numbers, bridging the gap between concrete materials and written arithmetic.
The set includes a wooden compartmented tray with color-coded plastic number tiles: green unit stamps (1), blue ten stamps (10), red hundred stamps (100), and green thousand stamps (1000). Additional game pieces for operations and exchanging are included, all organized in the systematic storage tray.
Yes, after proper presentation by an adult, children can work independently with the Stamp Game. The color-coding and organized tray support self-directed learning. Children naturally progress from simple exchanges to complex operations, self-correcting through the material's inherent control of error.
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