Download - HOW’S YOUR EVERYDAY MATH?. How much paint do you need to re-do your bathroom? (1 gallon = 500 sq ft)
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HOW’S YOUREVERYDAY
MATH?
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How much paintdo you need to re-do your bathroom?(1 gallon = 500 sq ft)
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How many sheets of drywalldo you need to
sheetrock your garage?(1 sheet = 32 sq ft)
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Which floor refinisher’s bidis best for you?
$2.00/sq ft
$2.25/sq ft(includes furniture
removal and return)
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All you need to be a smart homeowner is to be able to calculate the square footage of a rectangle.
Don’t say you’re not good at math!
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rectangle 2 rectangles
2 triangles = 1 rectangle
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1 parallelogram = 1 rectangle
Trapezoid:Average top and bottom and you have a rectangle
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CAN’T REMEMBER YOUR FORMULAS FROM GEOMETRY
CLASS?
Check out: www.math.com> Geometry> Area Formulas
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Now back to your floor refinishing problem…
Let’s say you hire the refinisher who gave you the lower price
($2.00/sq ft) to sand, stain, and apply 2 coats of polyurethane to your
livingroom , which measures 15 ft wide by 22 ft long.
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Your wife says, “Let’s do it! I checked math.com and it will only cost $66!”
Photo credit: Rebecca Cook-Dubin
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So your buddy comes over after work and you’re up until midnight moving your furniture.
Over the next week you go to a chiropractor three times ($225.)
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The job gets done.
It looks great.
2 weeks later the bill comes.
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$1200????????????????Photo credit: Jesse Cook-Dubin
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What have you learned?
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1. Your wife should go to www.math.com/decimalplaces
2. Your floor refinisher doesn’t know that you checked www.math.com for the formula
3. For another $82.50, you could have saved 3 trips to the chiropractor