Overview
The child uses the stamp game to perform subtraction, learning to "borrow" (exchange) when the minuend has fewer stamps in a category than the subtrahend. This mirrors the golden bead subtraction but in a more symbolic form, reinforcing place value and the concept of regrouping.
Objectives
What the child gains from this work
Perform subtraction using place value stamps. Master borrowing/exchanging across place values. Understand subtraction as "taking away" with concrete representation. Record problems accurately on paper. Develop systematic problem-solving approach.
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