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Elementary
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Washington,
DC Math Trail
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Intermediate/Advanced
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Natural History Museum
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These are petrified logs.
If you have such a log that is cylindrical, 10 feet long with a diameter of 10 feet, about how much would it weigh?
(Note: Research required.)
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Natural History Museum
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There are eight sections of stairs in this scaffolding, rising to a height of 100 feet.
If the width of the scaffolding (measured parallel to the front of the building) is 12 feet and the landings are 2 feet wide, what is the slope of the stairs themselves?
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Washington Monument
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The sides of the Washington monument are not exactly rectangular, they are isosceles trapezoids.
What four measurements would you need to take to determine the total surface area of the monument, including the triangular prism on top?
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Washington Monument
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If the flagpoles are 10 feet apart, what is the radius of the circle that they form?
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Park Near Reflecting Pool
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A gram of fat has 9 calories of energy in it.
If the runner is moving at 5 miles an hour and using energy at a rate of 10 calories per minute, how far would she have to run to burn as many calories as are contained in one-half pound of fat?
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The bicyclist is moving at 15 miles an hour and burning calories at the rate of 2 per minute.
How far will he have to travel to burn the same number of calories?
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Reflecting Pool
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The length of the reflecting pool is
about 2,300 feet, the width is 150 feet and the depth is 3 feet.
If it takes 24 hours to fill the pool with 6,750,000 gallons of water, how fast does the water rise as it is filling (inches per hour)?
(Note: This problem is easier than it looks!)
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Near Reflecting Pool
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The stairs are 6 inches high.
What other measurement would you need to make to find the slope of the concrete slab?
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Lincoln Memorial
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The length from Lincoln’s knee to his foot is about the same as the height of one of these boys.
Use this observation to estimate how tall the statue would be if it stood up.
(You will need to collect some other data.)
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The statue of Lincoln is carved from marble, and is about 5 times life-size.
About how much would it weigh (just the body of the statue, not the chair)? (Note: Research required.)
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Jefferson Memorial
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Name all of the geometric shapes and ideas that you see here.
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