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George Washington: Surveyor

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For the History Channel’s video on George Washington as a surveyor, click below.

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George Washington created this survey map when he was16. The map shows his half-brother Lawrence’s turnip garden

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Drawn by George Washington in 1793 – These are all of Washington’s Farms

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Tools of the Surveyor A compass used to map the land A Gunter’s chain used to measure the land Stakes with surveyors flags used to mark the measured locations A protractor used to measure angles

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Surveying the Land 7.92 inches flag Link

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Perimeter = Sum of all sides 10 + 20 + 10 + 20 = 60 feet AB D C 20 feet 10 feet 20 feet 10 feet

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Area = Base x Height AB DC 20 feet 10 feet

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Does It Measure Up? Now its your turn… In small groups, the class will be surveying an area of the playground. – To do this, each group will need two pieces of sidewalk chalk, a Gunter’s chain, a pencil, and a copy of the “Does It Measure Up?” worksheet. Sketch a picture of the area that includes landmarks such as the slide, swing set, etc. Measure the distance between the boundary markers determined by your surveyor Once you have completed the measurements, your group will be computing the area and the perimeter of the land you surveyed.

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