1. Egypt
... was important because it was useful. They needed ways to measure their fields, and predict the size of their crops, and figure out supplies, so they created a simple arithmetic and geometry. There were only 7 signs for numbers. There was no zero and no multiplication or division. To multiply they added the number to itself as many times as needed. They developed ... ...
- Word Count: 1494
- Approx Pages: 6
- Grade Level: High School