Multiple Choice Identify the
choice that best completes the statement or answers the question.


1.

The number from which another number is to be subtracted is called the
__________.
a.  difference  b.  subtrahend  c.  factor  d.  minuend 


2.

The number that is to be subtracted from another number is called the
__________.
a.  difference  b.  minuend  c.  factor  d.  subtrahend 


3.

The National Electrical Code® requires that no point along a wall
can be more than 6 feet from an electrical outlet. How many receptacles are required for a wall that
is 20 feet long?

Completion Complete each
statement.


4.

In one week you worked 7 hours, 7 hours, 6 hours, 9 hours, and 4 hours. Your
total hours for the week are ____________________.


5.

The sum of 43 and 51 is ____________________.


6.

655 plus 2,149 plus 113 plus 84 equals ____________________.


7.

641 minus 87 equals ____________________.


8.

8 x 7 = ____________________


9.

4 x 18 = ____________________


10.

If you make electrical connections in 47 device boxes and use 3 wire nuts in
each box, you will need ____________________ wire nuts.


11.

If every 10 feet of pipe requires 3 strap hangers and each strap hanger requires
2 screws, ____________________ screws are required for 50 feet of pipe.


12.

32 divided by 4 equals ____________________.


13.

656 divided by 8 equals ____________________.


14.

A contractor hires three plumbers to work 9 hours a day for five days and three
laborers to work 7 hours for one day. The total number of hours worked is
____________________.

Short Answer


15.

If two people can install 75 square feet of siding per hour, how long will it
take four people working at the same speed to side a house with walls of 16 feet by 20 feet, 15 feet
by 20 feet, 20 feet by 18 feet, and 11 feet by 20 feet?


16.

If a manufacturer recommends one lighting fixture for every 80 square feet of
ceiling area, how many light fixtures are needed for a warehouse that measures 100 feet by 320
feet?


17.

If a lighting circuit can supply 1800 watts of incandescent light, how many
120watt light fixtures can it support?


18.

If you buy four items that cost $0.79, $1.23, $2.92, and $0.38 and pay with a
tendollar bill, how much change should you receive?


19.

If three 30inch pieces of wood are cut from an eightfoot board, how much will
be left over?


20.

From a 250foot spool of wire, an electrician uses pieces of the following
lengths: 12 feet, 39 feet, 86 feet, and 27 feet. How much is left?
