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Pyramids of Giza

Pyramids of Giza

Building a pyramid

During the Old Kingdom, pharaohs built huge tombs, called pyramids. Pyramids were constructed on the western bank of the Nile River, because it was thought that the land of the dead lay to the west.  A single pyramid could take up to 20 years, and around  20,000 workers, to build.

Evolution of pyramids Early tombs were single-story buildings called mastabas.  The Old Kingdom architect Imhotep designed a building made of six mastabas placed one on top of the other—the  first pyramid. Later, builders began filling in the pyramid sides

A mastaba was made of mud bricks.  Inside, a deep chamber was dug,  in which the dead were buried

The Step Pyramid was designed as a  stack of mastabas. It was made of small  stone blocks laid like bricks.

The Great Pyramid of Giza is  the world’s largest true pyramid.

 It was built by placing large stone blocks together, which were then overlaid with polished limestone.

Building tools The sides of true pyramids were angled at 52-53 degrees, and all the stones were cut to the same size. Egyptian builders used tools such as the triangle to measure the angles, cubit rods to measure lengths, and boning rods to make sure that the stones were even.

Pyramid builders Laborers carried stones from  quarries, sometimes over long distances, to build pyramids.  At the construction site, they would lift the stones using ropes, or drag them up a ramp and lay them using cement  or mortar