A brief history of numerical systems

00 hours 05 mins

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.

After showing the video, take your learners through a short quiz.

Invite the senior grade learners for an open ended discussion on

"Some people think that 12 would be a better base than 10 for a numerical system. Discuss the advantages and disadvantages of different bases, including – but not limited to – 10 and 12."

Also watch Is Math discovered or invented? and How High Can You Count on Your Fingers?

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