Jegro catalogus

01.01 Mathematics

Abacus 5 x 20 teacher

Teach place value, addition and subtraction and 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)

3018301 Abacus 5 x 20 teacher

Abacus 5 x 20 pupils

Abacus 5 x 10 teacher

Learn place value, addition and subtraction and visualise (large) numbers. Practise 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.

Teach place value, addition and subtraction. This abacus represents units, tens, hundreds, thousands and ten thousands. It contains 5 x 10 beads in 5 colours grouped in tens.

Contents: wooden holder with partition (18 x 15 x 6 cm) 100 flat plastic beads in 6 colours (1.5 cm Ø)

Contents: wooden holder with partition (19 x 21 x 9.5 cm) 50 flat plastic beads in 5 colours (2.6 Ø)

3018321 Abacus 5 x 20 pupils

3018303 Abacus 5 x 10 teacher

Jegro Catalogue

37

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