By David Shaw, 6 February 2020
People record numbers in lots of different ways. This method was used by the Inca people and many others who lived near the Andes Mountains of South America.
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By David Shaw, 7 March 2017
The numbers that we use are not the only way to write numbers. You might know how to count with tally marks, or read Roman numerals. But there are plenty of other ways to write numbers. This one comes from the Maya people.
