Description
Tray for 45x 100 squares
Detta material gör det möjligt att konkretisera det abstrakta konceptet av positionssystemet och göra det greppbart
The first compartment is empty and shows the number 0
The cube shows in a concrete way (a+b+c)^3
Symbolerna kan även användas genom att identifiera ord och koppla dessa till respektive symbol
Konstruktiva trianglar Språk Tray for 45x 100 squaresPreparation and introduction to geometry
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