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Roofers
Description: Roofers install roofs made of tar or asphalt and gravel, rubber, metal, and other materials. They may install or repair the tiles on private home roofs, or repair old roofs on other buildings. Some also waterproof concrete walls and floors. These workers do physically demanding work outdoors, including lifting, climbing, and stooping. They risk injury from slips, falls, and burns. The roofing industry has the highest accident rate of all construction work.
Source: Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, 2008-09 Edition at http://www.bls.gov/OCO/
Salary: $28,001 to $50,000 per year

Comments:

There are 20 math topics Roofers need to know.
Basic Math / Algebra
Fractions
Decimals
Percent
Customary Measurement
Metric Measurement
Measurement Conversion
Negative Numbers
Geometry
Angle Measurement
Congruent Triangles
Triangle Inequalities
Parallel Lines
Quadrilaterals
Circles
Area
Volume
Make/Use 3D Drawings
Second-Year Algebra / Trigonometry
Coordinate Graphing 3D
Other Topics
Calculus and Higher Math
Computer Use
Mental Math