Ten blocks (1, 10, 100, 1000)

Auteur:Monique Zhou

Onderwerp:Optelling, Natuurlijke getallen, Getallen, Aftrekking

Use +/- buttons to add or remove blocks to the workspace.
Use buttons to combine groups of blocks or replace them with smaller units.
Drag the blocks to sort and group them.

Note: Maximum total value is 9999.

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