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Longitude

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Representations of a problem-based lesson where students investigate the mathematical idea of global coordinates through the historical context of the navigational challenges faced by Ernest Shackleton’s Antarctic exploration. The lesson helps them use proportional reasoning to relate quantities such as time, rate, and distance.

Description

Representations of a problem-based lesson where students investigate the mathematical idea of global coordinates through the historical context of the navigational challenges faced by Ernest Shackleton’s Antarctic exploration. The lesson helps them use proportional reasoning to relate quantities such as time, rate, and distance.

Mathematics Domain

Geometry

Creators

Educators from New York and University of Michigan

Date Last Updated

February 2026

Lesson Formats

Storyboards

Grade Level

11

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