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David Gettman has devised a clear and modern explanation of Montessori's revolutionary ideas about early intellectual development
philosopher and pedagogue-giving an enthralling insight into how she was influenced by her time
their doubts-this book stands as the perfect complement
The role of the adult
Intro. to decimal system (1 cube, 9 squares, bars and units) in a tray Blue box 5 (mystery words) (Includes 1 Plastic Box) David Gettman has devised aThis is a wooden tray that contains the following golden bead material: one thousand cube, nine hundred squares, nine ten bars, and nine golden bead units. With adequate representation, this material demonstrates place value and the concept that a decimal category cannot exceed nine.
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