Montessori Aids. Introduction to decimal system 1 AO0004 The pearl represents units, rod – tens, square – hundreds, cube –

thousands. 1 cube, 1 square, 1 rod, 1 single pearl, presentation tray with • 11,5 x 29,5 x 8,5 cm; different dimensions and weights

Spindles AO2018

cardinal aspect, acquire the ability to count from 1 to 9 and remember their order in a sequence of num- bers. Additionally, this set develops the ability to associate the number of objects with a digit and it fami- liarises with the concept of zero as an empty set. 45 spindles, 16 cm long; 2 x box, • 28 x 3,5 - 7 x 21 cm; material: wood; age: 3+

Mathematical aid consisting of 2 wooden boxes without lids. Each box is divided into 5 rectangular pigeonholes and their back walls are marked with numbers from 0 to 9. In each part of the box (except the one marked with zero) there are 45 spindles. They make easier introdu- cing the concept of numbers in the

Small set of colourful numbers AO2021 Kit consisting of two boxes with lids. One of the boxes is divided into 10 pigeonholes. In 9 of them, there are 10 wires with different number and colour of beads sym- bolising the numbers from 1 to 9. One pigeonhole is empty – it re- presents 0. The other box contains 24 wires with 10 beads, the so-cal-

led golden tens. The kit teaches the multiplication in the range of 100, introduces the concepts of com- mutative and separable multipli- cation. Older students cab learn about the exponentiation (square numbers) with the help of this set. 114 pcs.; • meas. of the boxes: 28 x 19 x 5cm/16 x 11 x 3 cm; material: wood, metal, plastic; age: 3+

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