Superlesson
Project 2-1
Foundations of Algebra and Geometry
Chapter 2, Communicating Mathematics
Using your computer, calculator, and mathematics, explore Khafre's Pyramid in Egypt.
Part A, Exponents
1. Explore Khafre's Pyramid, the second largest of the three pyramids of Giza, Egypt.
a. How many feet is the length of each side of the base of Khafre's pyramid?
b. How would you find the area of the pyramid's base?
c. Show two ways to use a calculator to find the answer.
d. What is the area of the base of the pyramid?
Part B, Estimating and Rounding
2. One acre of land is 43,560 square feet.
a. Show the division problem that calculates the number of acres of land covered by the base of Khafre's pyramid.
b. Answer the division problem you wrote in a. Round your answer to the nearest tenth.
c. Check your answer to b at the Khafre's Pyramid site. How many acres does it say the base of Khafre's pyramid covers?
d. Why are the answers to parts b and c NOT the same?