Home Building Math in Construction

1.  What is the square footage of a room 26' x 52'?

• 1252
• 1485
• 1352
• 1192

2.The roof of a house is 19' x 37' per side, how many pieces of 4' x 8' plywood would it take to deck this roof?  This is a straight roof with gable ends.

• 20
• 21
• 22
• 24

3.  A frame wall is to be 8' tall.How tall would the common studs be, if there is a double top plate and a single sole plate?

• 7'6"
• 7;81/2"
• 8'1"
• 7'71/2"

The overall height of a cabinet is 30". There will be a 1x12 top on the cabinet. How tall will each front panel be to achieve the 30" height requirement?

• 27"
• 281/4"
• 291/4"
• 293/4"

What are the dimensions of a dressed 2x4?

• 11/4"x41/4"
• 11/2"x31/4"
• 2"x4"
• 11/2"x31/2"

A 1"x6" board is 51/4" wide?

• True
• Fallse

7.  How many board feet are in 19 pieces of 2" x 6" 16' ?

• 298
• 304
• 314
• 324

8.   If you are putting 3/4" plywood on as  a  subfloor  of a building 26' x 42', how many pieces of plywood would you need?

• 30
• 34
• 35
• 36

9.  How many square feet are in a piece of sheetrock that is 4' 12'?

• 32
• 36
• 42
• 48

If you were building a floor, and you were using 2" x 6"s for your floor joist,  how many boards  would be needed if they were cut the proper length to cover a 16' x 8' building.  Use 16" centers.

• 10
• 11
• 12
• 13