Scale is an important topic not only in teaching GIS, but in geography, economics, mathematics, environmental science, planning, business, and many other disciplines. Scale is a cross-cutting theme that enables better understanding of change across space and across time, and the phenomena that cause those changes. This essay features 4 different ways to teach about map scale. Each way uses easy-to-use tools and maps in ArcGIS Online, requires no sign-in, and yet each is powerful in teaching this concept in hands-on mode!
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