Lesson Plan

Math at Mount Rushmore for Grades 9, 10, 11 and 12

Closeup of Abraham Lincoln on Mount Rushmore with fractures running across.
Closeup of Abraham Lincoln on Mount Rushmore with fractures running across.
NPS Photo.

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Subject:
Algebra, Geometry
Duration:
Five to seven 50-minute sessions
Setting:
classroom
National/State Standards:
Geometry, Algebra, Measurement and Data for 9th through 12th grades
Common Core Curriculum Standards
(http://www.corestandards.org/the-standards/mathematics)
G-CO.12, G-SRT.1, G-GPE.7, G-GMD.1, G-GMD.4, G-MG.2

Overview

Students calculate an estimate the weight of Mount Rushmore by calculating the volume using cross sections of the model, then use density of stone to finally arrive at a rough estimate of the weight. Finally, students calculate when two cracks on the surface of the sculpture would intersect over time.

Additional Resources

Visit http://archive.cyark.org/education-lesson-plans to download this lesson plan.