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Monday, 19 December 2016

How high can you count on your fingers? (Spoiler: much higher than 10) - James Tanton

Let's say you actually use your fingers to count. How high do you think you could count up to besides 10 using your 8 fingers and two thumbs? Over a thousand? Two thousand? Actually, it's more. A lot more, as this video explains...

How high can you count on your fingers? It seems like a question with an obvious answer. After all, most of us have ten fingers -- or to be more precise, eight fingers and two thumbs. This gives us a total of ten digits on our two hands, which we use to count to ten. But is that really as high as we can go? James Tanton investigates.



TED-Ed

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