NCCER CORE Construction Math Fundamentals Questions and Answers

Question 1

A carpenter needs to cut a piece of wood that is 5 1/8 inches long from a board that is 8 3/4 inches long. After the cut, what is the length of the remaining piece of wood?

Accepted Answer

3 5/8 inches

Answer

3 1/2 inches

Answer

2 1/2 inches

Answer

3 1/4 inches

Question 2

A construction plan requires a concrete slab with a volume of 3 cubic yards. If the slab is 12 feet long and 9 feet wide, what must be its thickness in inches? (1 cubic yard = 27 cubic feet)

Accepted Answer

9 inches

Answer

6 inches

Answer

8 inches

Answer

12 inches

Question 3

Which of the following is the correct conversion of 6 feet 9 inches to decimal feet?

Accepted Answer

6.75 feet

Answer

6.50 feet

Answer

6.90 feet

Answer

6.25 feet

Question 4

A crew is framing a wall and needs to ensure the corners are perfectly square. They measure 6 feet along one wall from the corner and 8 feet along the adjacent wall from the corner. What should the diagonal measurement between those two points be to confirm a 90-degree angle?

Accepted Answer

10 feet

Answer

9 feet

Answer

12 feet

Answer

14 feet

Question 5

You are ordering lumber for a project. You need 10 boards, each measuring 2 inches thick, 6 inches wide, and 8 feet long. What is the total number of board feet you need to order?

Accepted Answer

80 board feet

Answer

40 board feet

Answer

60 board feet

Answer

120 board feet

Question 6

A cylindrical concrete form for a pillar has a diameter of 2 feet and a height of 10 feet. What is the volume of concrete needed to fill the form, rounded to the nearest cubic foot? (Use π ≈ 3.14)

Accepted Answer

31 cubic feet

Answer

20 cubic feet

Answer

63 cubic feet

Answer

126 cubic feet