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Abacus 5 x 20 teacher

Abacus 5 x 20 teacher
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Article number: 3018301
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Description

Teach place value, addition and subtractionand visualise (large) numbers. Demonstrates the principle of ‘borrowing’ from the next column. The beads that are not used disappear behind the wooden partition. This abacus represents units, tens, hundreds, thousands and ten thousands. It contains 5 x 20 beads in 6 colours grouped in tens.

Contents:
wooden holder with partition (29 x 21.5 x 9 cm)
100 flat plastic beads in 6 colours (2.6 cm Ø)