Math with Bad DrawingsCartoon Archive

How to Measure Latitude

2021

Latitude broken into degrees, minutes and seconds, continuing the base-60 pattern into 'thirds' and 'fourths.'

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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.

Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2021-01-01-how-to-measure-latitude/ (CC BY-NC 4.0)
Transcript

[Title] "How to Measure Latitude" 40° 44′ 54″ 14‴ 24⁗

degrees (about 70 miles each) · minutes (about 1.1 miles each) · seconds (about 90 feet each) · thirds (about 1.5 feet each) · fourths (about 1/3 inch each) ← "not really a thing but totally should be"

Topics
Number & Arithmetic › Number Bases › Base 60Geometry › Angles › Degrees, Minutes, SecondsNumber & Arithmetic › Measurement & UnitsApplied Math › Geography & Maps
Level
Middle SchoolHigh School
Themes
Visual ExplanationsNature & Science