@Stanford that's not new ...Montessori has used it since the start :)
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@Stanford That is exactly what I thought as soon as I read the description, Montessori. http://www.infomontessori.com/mathematics/introduction.htm …. Stanford shame on you.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@Stanford trying to take credit from a brilliant woman, Maria Montessori.Thanks. Twitter will use this to make your timeline better. UndoUndo
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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