Name: 
 

Chapter 5



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?
a.
2
b.
3
c.
4
d.
5
 

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 120-watt 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 ten-dollar bill, how much change should you receive?
 

 19. 

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

 20. 

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



 
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