A five-spike abacus with colour-coded beads for ones, tens, hundreds, thousands and ten-thousands. Children build numbers bead by bead and watch carrying and borrowing happen.
| Board | Class | Chapter / topic |
|---|---|---|
| CBSE | 1-3 | Numbers and place value |
| CBSE | 2-4 | Addition and subtraction with carrying and borrowing |
| ICSE | 1-4 | Place value |
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Samtech Instruments (JAYSEE brand) is a trusted manufacturer of school science and STEM laboratory equipment, based in Ambala Cantt, India, serving educators for over 20 years (since 2002). We supply a wide range of physics, chemistry, biology, astronomy and renewable-energy teaching kits to schools, dealers and institutions across India, with competitive bulk pricing and full support for government (GeM) tenders.
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