NCCER Core Introduction to Construction Math 3

Question 1

How many 16-inch pieces can be cut from an 8-foot board (ignoring blade width)?

Accepted Answer

6 pieces

Answer

8 feet = 96 inches. 96 / 16 = 6 pieces.

Question 2

What is a board foot?

Accepted Answer

A measurement equal to 1" thick x 12" wide x 12" long

Answer

A board foot equals 1" x 12" x 12" (144 cubic inches) of lumber volume.

Question 3

What is the circumference of a 6-inch diameter pipe? (Use pi = 3.14)

Accepted Answer

18.84 inches

Answer

C = pi x d = 3.14 x 6 = 18.84 inches.

Question 4

If 2.5 meters approximately equals how many feet? (1 meter = 3.28 feet)

Accepted Answer

8.2 feet

Answer

2.5 x 3.28 = 8.2 feet.

Question 5

What is the decimal equivalent of 3/16 of an inch?

Accepted Answer

0.1875 inches

Answer

3 / 16 = 0.1875 inches.

NCCER Core - National Center for Construction Education and Research Core Certification Practice Test