Plastic Abacus Arithmetic Abacus Kids Calculation Tool 17 digits, Soroban School Math Learning Tool Podazz
Abacus style abacus, plastic frame, 17 digits. A bead above and four beads below give a concrete visual representation of numbers by beads.
A very useful tool in general mathematics education.
The abacus, also known as a counting frame, is a calculating tool that allows beads to be moved down and carried out by touch and observation, facilitating complex calculations.
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