... was important because it was useful. They needed ways to measure their fields, predict the size of their crops, and also figure out supplies, so they created a simple arithmetic and geometry. There were only 7 signs for numbers. There was no numeral for zero and no multiplication or division, but they did use fractions. To multiply they added the number to itself ... ...

• Word Count: 2745
• Approx Pages: 11
• Has Bibliography
• Grade Level: High School