Construction Types and Trades
Construction Math
Lumber Defects and Terminology
Layout and Measuring Tools
Wall Framing and Tape Measures
100

Construction of houses, garages, sheds, and small buildings.

What is Light Construction?

100

What is ¼" + 1¼"?

1½"

100

A circular or oval area where a branch grew from the tree

What is a knot in lumber?

100

16 inches O.C.

What is the common on-center spacing for wall studs in house framing?

100

3 ½” by 1 ½”

What is a standard 2x4?

200

Building large projects such as bridges, dams, and highways.

What is heavy construction?

200

What is ½" + ¾"?

1¼"

200

A separation or crack that runs through the wood

What is a split in lumber?

200

Checking if a corner is square; the Pythagorean theorem

What is the 3-4-5 method used for, and what mathematical theorem does it use?

200

What special marks are commonly found on many tape measures?

Diamond marks for joist spacing and black/red marks for common stud layouts

300

A framing method where each floor is built as a separate platform.

What is platform framing?

300

What is 1⅝" − ⅜"?

1¼"

300

A curve along the length of the board's face

What is a bow in lumber?

300

A starting line used to guide accurate measurements and layout

What is a reference line or control line?

300

4’ by 8’

What is a stranded OSB Sheet?

400

A framing method where wall studs extend continuously past floor levels.

What is balloon framing?

400

How many total inches are in 8 feet?

96 inches

400

A curve across the width of the board's face

What is a cup in lumber?

400

Stud locations, corners, and rough openings

When laying out a wall, what should you mark on the top and bottom plates first?

400

After standing a framed wall in place, what should you do next?

Check that the wall is plumb, brace it, and secure it in place.

500

Brick, concrete block, and stone are the materials that this trade uses.

What is a mason?

500

How many feet are in 51 inches?

4 feet 3 inches

500

The curve along the length of the board's edge

What is the crown of a board?

500

Blade and tongue

What is a framing square?

500

If a header rests on 2×4 jack (trimmer) studs, how much should you add to the rough opening width to determine the header length?

3”