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BBC
Bbc: Bitesize Geography: Os Map Skills
A short tutorial on mapping tools and how to read maps. Covers features of maps, symbols, the compass, scale, distance, how height is represented, and grid references. Includes multiple-choice quiz at the end.
University of Colorado
University of Colorado: Error, Accuracy, and Precision Exam
A university exam on the topics of error, accuracy, and precision. Includes essay, short answer, and multiple-choice. Links to lecture and discussion notes. Answers to short essay and multiple-choice are provided.