A brief history of numerical systems - Alessandra King

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TEDEd
History-Social Science Content Standards for California Public Schools
California Common Core State Standards - Mathematics
A brief history of numerical systems - Alessandra King
TED-Ed Lesson: 1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them? And why do we arrange them the way we do? Alessandra King gives a brief history of numerical systems.