Construction Math

Front

What is the width of a 1"x6" board?

Back

The width of a 1"x6" board is actually 5.5 inches.

Front

How do you calculate the area of a rectangle?

Back

Area = Length x Width.

Front

What is the area of a piece of sheetrock that is 4' x 12'?

Back

The area is 48 square feet.

Front

If a room is 26' x 52', what is its square footage?

Back

The square footage is 1352 square feet.

Front

What does '16" centers' mean in construction?

Back

It means that the center of each joist is spaced 16 inches apart.

Front

How many 2" x 6" boards are needed for a floor covering a 16' x 8' building at 16" centers?

Back

You would need 13 boards.

Front

What is the height of a cabinet if the overall height is 30" and there is a 1x12 top?

Back

Each front panel will be 29 1/4" tall.

Front

What is the formula for converting feet to inches?

Back

Multiply the number of feet by 12.

Front

How many square feet are in a 10' x 10' room?

Back

There are 100 square feet.

Front

What is the perimeter of a rectangle?

Back

Perimeter = 2(Length + Width).