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29 Cards in this Set
- Front
- Back
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inches divided by 12 =
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foot
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feet x 12 =
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inches
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36"=
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1 yard
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inches divided by 36 =
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yards
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yards x 36 =
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inches
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3 feet =
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1 yard
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feet divided by 3 =
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yards
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yards x 3 =
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feet
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5280 feet =
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1 mile
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feet ivided by 5280=
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miles
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miles x 5380 =
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feet
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16.5 feet =
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1 rod
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feet divided by 16.5 =
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rods
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rods x 16.5 =
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feet
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320 rods = 1 mile rods divide by 320 = miles miles x 320 = rods
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320 rods = 1 mile
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144 sq inches
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1 foot
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1296 square inches
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1 square yard
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9 sq. feet
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1 square yard
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43560 feet
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1 acre
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640 acres
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1 square mile
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length x width =
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area of a square or rectangle
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Area of a triangle
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base x height divided by 2 = area of a triangle
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converting area of triangle into acres
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base x height divided by 2 = sq. feet divided by 43560 (sq ft in acre) = acres
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1728 cubic inches =
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1 cubic foot
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46,656 cubic inches =
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1 cubic yard
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27 cubic feet =
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1 cubic yard
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Determining volume
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Length x width x height = volume of a box convert all to the same measurement either inches or feet or miles whatever the best measurement is
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figuring volume with measurements
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a building is 500 feet long, 400 feet wide, and 25 feet high how many cubic feet of space are in this building 500' x 400' x 25' = 5,000,000 cubic feet
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Example of converting different measurements to figure volume
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how many cubic yards of concrete would it take to build a sidewalk measuring 120 feet long; 2 feet, 6 inches wide; and 3 inches thick? 6" divided by 12' = 0.5' + 2' = 2.5' wide 3" divided by 12'=0.25; thick 120' x 2.5'x0.25' = 75 cubic feet divided by 27=2.778 cubic yards rounded
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