[In the last episode, Alexandria Jones discovered a mysterious treasure: three wooden sticks, like tent pegs, and a long loop of rope with 12 evenly spaced knots. Her father explained that it was an ancient Egyptian surveyor’s tool, used to mark right angles.]
Back at the camp, Fibonacci Jones stacked multi-layer sandwiches while Alexandria poured milk and set the table for supper.
“Geometry,” Fibonacci said.
“What?”
“Geo means earth, and metry means to measure. So geometry means to measure the earth. That is what the Egyptian rope stretches did.”
Alex thought for a moment. “So in the beginning, math was just surveying?”
“And taxes…”
Continue reading The Secret of the Pharaoh’s Treasure, Part 3
Denise Gaskins' Let's Play Math 