ocr: Mathematics 5 LE 100 Egyptians had only a few hieroglyphs for numbers. They used signs representing the numbers 1, - 10, 100, and SO on up to 900 10,300 200d0a 1,000,000. To indicate the number 3, they wrote the sign for 1 three times. Ancient Egyptians only knew how to add and subtract. They did multiplication and division by adding or subtracting repetitively. For example, to do the equation 2 x3=6, they added as follows: 2+2=4, then 4+2 =6. length between any two sides is 8 With these simple mathematical inches (or 20 centimeters). symbols and methods, the Egyptians See Also: planned and bu ...