Construction Math

Question 1

Shingles and siding are sold by the square. A square equals ___.

Answer 1

100 square feet

Question 2

To determine the unknown length of a triangle, use the formula ___.

Answer 2

a2 + b2 = c2

Question 3

To estimate gable siding, use the formula ___.

Answer 3

1/2 base X height

Question 4

The greater the pitch, the ______ the rafter has to be.

Answer 4

longer

Question 5

What formula can be used to determine the length of a rafter if the slope and run are known?

Answer 5

a2 + b2 = c2

Question 6

The formula for estimating concrete into cubic yards is ___.

Answer 6

(L X W X T) / 27

Question 7

When measuring for concrete ___.

Answer 7

take your calculation to the next full yard

Question 8

When measuring concrete for basement walls, be sure ___.

Answer 8

to not calculate the corners twice

Question 9

The formula for board feet when calculating in FEET is ___.

Answer 9

(W X T X L) /12

Question 10

16” O.C Spacing Length of wall in Feet x 12 inches / 16 + 1 is the formula for calculating ____.

Answer 10

stud count

Question 11

When estimating for drywall for a room, be sure to ____.

Answer 11

figure for the walls AND ceiling

Question 12

When calculating ground slope, what will be the difference in elevation from the base of the house compared to 50 ft from the house with an 8% slope?

Answer 12

4 feet