## At A Glance

### Roman Numerals had no Zero, or Place Value - Animated Math

https://www.patternplaymath.com/ MisterNumbers animated video shows Roman Numerals. It shows how Roman Numbers work. It compares Roman Numerals to our Arabic Numbers showing how the number zero was a huge change that creates place value and makes math simpler. ZERO first showed in India around 780 AD, spread to Arabia and didn't make it to Britain until about 1400. Zero is sophisticated and is a great boon to the world of numbers. WHERE A number IS is valuable. This is called place value. You can't have place value without a zero. Zeros mean nothing, yet zero is used to create totally different numbers just by where they are.What difference does a zero make? Add a couple zeros after \$5 and suddenly you at at \$500, or \$5000, or \$5,000,000.Roman Numerals change and add a new letter value at each 5 and 10. Roman numbers are based on ten digits like almost all counting systems except clocks, navigation and computers, but those will be other videos.Think of our world of microns and Tigs and pi value to hundreds of places. Maybe that is one of the reasons why the huge Roman Empire fell. Their number system couldn't keep up when you had to create a new number for each new valuehttps://www.patternplaymath.com/
Length: 07:14

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