Decimal Abacus
Product Code : JA-PV-3502
The Decimal Abacus (SKU JA-PV-3502) is a spike abacus on a wooden base measuring 15 x 4 cm and 18 mm thick, with 7 metal spikes 4 mm thick and 70 beads in 7 colours. Each spike stands for one place value, so pupils can build whole numbers and decimals bead by bead, which makes this decimal abacus a direct aid for understanding decimal place value in primary and middle school. JaincoLab manufactures it.
Specifications
The abacus has a 15 x 4 cm wooden base, 18 mm thick, drilled with 7 holes that hold 7 metal spikes 4 mm thick, and is supplied with 70 beads in 7 colours; spike height and bead size are confirmed on the quotation.
| Product | Decimal Abacus |
| SKU | JA-PV-3502 |
| Base | Wood, 15 x 4 cm |
| Base thickness | 18 mm |
| Spikes | 7, metal, 4 mm thick |
| Beads | 70, in 7 colours |
| Use | Decimal place value |
Applications of the decimal place value abacus
Teachers assign each spike a place on either side of the decimal point, and pupils stack beads to represent a number, exchange ten beads on one spike for one on the next and compare decimals by reading the spikes from left to right.
- Representing whole numbers and decimals on spikes
- Exchanging ten units for one of the next place
- Comparing and ordering decimals
- Adding and subtracting decimals with regrouping
- Place value demonstrations in primary and middle school
Scope of supply and ordering
One unit is one decimal abacus with its 7 spikes and 70 beads. Accessories, spares and quantities are confirmed on the quotation.
Packing, minimum order quantity and delivery lead time are set on each quotation according to the order size and the destination. Single classroom sets, bulk school and college orders and tender quantities are all supplied, with export shipments to Africa, the Middle East and South and South-East Asia.
Frequently asked questions
How many spikes and beads does it have?
7 metal spikes and 70 beads in 7 colours.
What size is the base?
The wooden base is 15 x 4 cm and 18 mm thick.
What is it used to teach?
Decimal place value, including building, comparing and regrouping decimal numbers.
Related products
See the complete place value aids range to build a full laboratory order in one quotation.
Request a quote
Send your requirement for the Decimal Abacus - quantity, SKU JA-PV-3502 and destination - through the JaincoLab enquiry page or email [email protected] to receive a quotation. Buying under a laboratory tender? Use our tenders page.
