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applying mathematics to construction | applying mathematics to construction

kenneth-williams's picture
Jul.10.2012
Master Instructor of carpentry, BroadBand communication and a 30 year contractor
kenneth-williams's picture
May.09.2012
This video teaches how to calculate the number of studs needed for one wall. A 20 foot wall will need 15 studs. Divide 20 by 4 = 5 or divide 20 by 2 twice 20 divided by 2 = 10 and 10 divided by 2 = 5. Next subtract the answer 5 from 20 and you'll get 15. 15 studs are needed for 20 foot wall.
kenneth-williams's picture
Apr.21.2012
How to Change Feet to Inches Double the number to the right 37 = 7 + 7 = 14 (never carry a number over) If the number is 4 or less round down to 0 34 becomes 30 If the number is 5 or greater round to 5 37 becomes 35 Always use 5 as the factor What number times 5 equals the rounded number?
kenneth-williams's picture
Mar.08.2012
Note: for 16 inch tile, always use 6 as the factor and if the second number in the total square feet is zero you cannot use it however if the second number is above 0, use a decimal to separate them (250 becomes 2.5) I will use 200 and 250 square foot rooms for my examples    ...