Chapter 1—Using the Calculator
TRUE/FALSE
1. The calculator is not one of the most important tools used in food service occupations.
2. A solar mini-desktop calculator is a type of calculator.
3. The first step in the use of any calculator is to make sure it is cleared.
4. The constant function may be used to multiply or divide repeatedly by the same number.
5. The constant function is used to retain figures in the calculator.
MULTIPLE CHOICE
1. The _____ is one of the most important tools in food service occupations.
a.
calculator
b.
pencil
c.
toothpick
d.
napkin
2. Which of the following is not a type of calculator?
a.
scientific
b.
inexpensive handheld
c.
solar-powered
d.
hand-powered
3. Which of the following is a basic operation of mathematics?
a.
square root
b.
exponent
c.
percentage
d.
division
4. Chain calculations involve:
a.
a series of numbers and a variety of math operations
b.
calculating like operations before continuing onto other operations
c.
putting a chain on the calculator to prevent theft
d.
testing the calculator
5. The _____ key is used to convert a positive number to a negative number, and vice versa.
a.
square root
b.
exponent
c.
change sign
d.
percentage
6. The executive chef has to figure out how many 9-ounce steaks are left after Saturday night.
She has to take into account how many she cut and how many the restaurant sold from
Thursday through Saturday. On Thursday, the sous chef cut 125 steaks. The restaurant sold
76 steaks. Friday, 20 more steaks were cut, and the restaurant sold 42 steaks. Saturday, she
cut 25 more steaks, and the restaurant sold 35 steaks. How many steaks are left for Sunday?
a.
81 steaks
b.
79 steaks
c.
17 steaks
d.
35 steaks
7. At a banquet, a chef has to prepare three entrees: one for 87 prime ribs, one for 55 salmon
fillets, and the other for 105 chicken breasts. How many clean plates must the cook have to
serve the meals?
a.
37 plates
b.
247 plates
c.
137 plates
d.
105 plates
8. Mrs. Davis has booked an awards banquet for 200 guests. Because of the addition of a
famous guest speaker being booked after the original booking, she calls and states that she
anticipates an increase of guests by 50 percent. How many meals will now have to be
prepared for Mrs. Davis’s banquet?
a.
300 meals
b.
200 meals
c.
100 meals
d.
400 meals
9. The purchasing agent at the Henderson Bar and Grill purchased seven food items at $13.25
each and three food items at $2.50 each. If the sales tax on the total purchase was 7.5%,
what was the total cost of the purchase?
a.
$107.77
b.
$100.25
c.
$99.71
d.
$16.93
10. Julie’s Restaurant purchased some new equipment for $5,750. It was given a special
discount of 5% plus a sales tax of 6%. What was the total cost?
a.
$5,462.50
b.
$327.75
c.
$5,790.25
d.
$287.50
NUMERIC RESPONSE
1. _______________
2. 153 + 0.6 + 14.4 + 16 = _______________
3. _______________
4. _______________
5. _______________
6. _______________
7. _______________
8. _______________
9. 384.5 0.05 4.5 16 = _______________
10. _______________
(Round your answer to four decimal places.)
11. _______________
(Round your answer to three decimal places.)
12. _______________
(Round your answer to three decimal places.)
13. _______________
14. _______________
15. _______________
What is the amount of sales tax on the following amounts, if a 7.5% sales tax rate is used as
the constant? Round answers to the nearest cent.
16.
17.
18.
Using 30% as the desired food cost percentage, find the menu price based upon the raw
food cost of the following questions. Round answers to the nearest cent.
19.
20.
21.
Round answers to the nearest cent.
22. Three printers were purchased for $1,720.00. A 5% discount was given because the
machines were purchased in quantity. A sales tax of 4% was added to the bill. What was the
total bill?
23. The Great Falls Restaurant purchased a beverage machine for . Because the machine
was slightly damaged, they were given a discount. A sales tax of was added to the
purchase price. What was the total cost?
24. A party of 12 people was served. The bill was . A discount of was given
because it was a church group. A sales tax of was added to the bill. What was the total
bill?
25. Michael Parcell purchased bathroom fixtures costing , , , and
. If the sales tax was , what was the total cost?
26. Kathy Roozee made purchases of , , , and . If the sales tax was
of the total amount, what was the total cost?
27. John Blackburn purchased eight items at each. Sales tax was . What was the total
cost?
28. discount
29. discount
30.
31.
32.
33. gratuity
34. tax
35.
36.
37.
38. Mr. Miller purchased three items costing each and seven items costing each. If
the sales tax is . What was the total cost?
39. A party was given for Mia at which 38 people were served. The bill was $608. A discount of
3% was given. A sales tax of 3.75% was added to the bill. What was the total bill?
40. Round to the nearest cent.
41. Round to the nearest cent.
42. Round to the nearest cent.
$244.941
43. Round to the nearest cent.
44. Round to the nearest tenth of a percent.
45. Round to the nearest tenth of a percent.
46. Round to the nearest tenth of a percent.
47. Round to the nearest tenth of a percent.
48. Round to the nearest tenth of a percent.
COMPLETION
1. The ____________________ ____________________ may be used to multiply or divide
repeatedly by the same number.
2. The ____________________ ____________________ is used to retain figures in the
calculator.
3. ____________________ ____________________ involve a series of numbers and a variety
of math operations.
MATCHING
Match these calculator keys/abbreviations with their definition.
a.
C
e.
CM
b.
CE
f.
MRC
c.
AC
g.
+/–
d.
M+
h.
RM
1. Clears the calculator of all functions except the memory function
2. Adds display number to the memory
3. Press to clear an incorrect keyboard entry that has not been entered into memory
4. Recalls the memory and also clears the memory
5. Used to convert a positive number to a negative number, and vice versa.
6. Displays memory figures and clears the memory
7. Displays content in memory; does not clear memory
8. Clears the calculator of all functions, including the memory function