Small double set of counting rods AO2028
Box with a lid which is divided diagonally into 2 parts. In both pigeonholes of the box there are two sets of counting sticks - ten in each. Red and blue sticks show the numbers from 1 to 10. Odd numbers are red and even numbers blue. Colourful elements make it easier to introduce the concept of number in the cardinal, ordinal, measured and multiplication aspect. It helps to illustrates the meaning of even and odd numbers and also practise performing simple maths operations: addition, subtraction, multiplication, division. • 20 sticks in red and blue; meas. of the shortest stick: 3 x 1,5 x 1,5 cm, of the longest stick: 30 x 1,5 x 1,5 cm; • meas. of the box: 40 x 3,5 x 23 cm; material: wood; age: 3+
Wooden circles for fractions AO2027
On two wooden shelves were placed 5 green frames with a circle inside them (10 circles in total). These circles illustrate fractions from whole to tenths. The first circle is a whole, the second is divided into two parts, the next are divided into three, four, five, six, seven, eight, nine and ten parts. This set introduces the concepts of: fraction, proper fraction, improper fraction, mixed number. It also helps to acquire and improve the ability to perform operations on fractions: addition, subtraction, multiplication, division. Additionally, the students can learn the fraction decomposition - the expansion and contraction of fractions. • 10 green frames, meas: 14 x 0,6 x 14 cm; 10 red circles with the dia. of 10 cm; shelves, 70 3 x 14,5 cm; material: wood; age: 6+
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