Transcription: mathematics. Egyptians had only a few hieroglyphs for numbers. They used signs representing the numbers 1, 10, 100, and so on up to one million. 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 times 3 3 equals 6, they added as follows. 2 plus 2 equals 4, then 4 plus 2 equals 6. With these simple mathematical symbols and methods, the Egyptians planned and built the pyramids. How accurate were they? Very! The Great Pyr ...
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