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Sales at Andrea‘s Formal Wear Shop were $978 this week. This is $184 less than the sales last week.
What were last week’s sales?
A car rental company charges $24 per day and $0.50 per mile to rent a car. What is the total bill if a
car is rented for 4 days and is driven 150 miles?
First use front–end rounding to write an estimate of the answer, and then multiply fully to obtain an exact answer.
Estimate: 0.4, exact: 9.9
Estimate by using front–end rounding.
First use front–end rounding to write an estimate of the answer, and then add the decimals to obtain an exact answer.
Estimate Problem
+
21.85
12.9
+ 9.2
Estimate: 40, exact: 44.95
Estimate: 39, exact: 43.95
Estimate: 39, exact: 33.95
Estimate: 39, exact: 42.95
The stock market gained 6 points on Monday. It had closed the previous Friday at 2505 points.
How many points did the market close at on Monday?
22.05 + 113.9 + 7.01 + 0.0137 + 0.46
Rewrite the number as indicated.
A company had net revenues of $7,500,165 in one year. Write this number using words.
seven million, five hundred thousand, one thousand, sixty–five
seven million, fifty thousand, one hundred sixty–five
seven million, five hundred thousand, one hundred sixty–five
seven million, five thousand, one hundred sixty–five
Write the decimal in words.
five and two hundred eight ten–thousandths
five and twenty thousand eight hundredths
five and twenty-eight hundred–thousandths
five and two hundred eight hundred–thousandths
Brandy’s Gift House pays employees for each gift they gift wrap. Assume they are paid as follows:
gifts 1–10 $23 each
gifts 11–15 $28 each
gifts 16 and up $29 each
If Lee wraps 14 gifts, what are her gross earnings?
The pharmacist mixed 5.61 grams of one drug with 3.347 grams of another drug. What was the
weight of the mixture?
First use front–end rounding to write an estimate of the answer, and then multiply fully to obtain an exact answer.
Estimate Problem
×
9.1
×36
Estimate: 359, exact: 326.6
Estimate: 36, exact: 32.76
Estimate: 360, exact: 327.6
Estimate: 361, exact: 328.6
During one year 19 new employees started working at Macintosh Manufacturing Company. At the
beginning of the year there are 200 employees in the factory and 36 employees in the office. What is
the total number of employees at the end of the year?
Round the number as requested.
83,586 to the nearest ten
Perform the multiplication.
Perform the indicated operation.
111.17 ÷8.5 (Round to the nearest hundredths when necessary.)
Lesley purchased office supplies for her business. She spent $7 on paper, $11 on pens, $10 on
folders, and $91 on computer disks. What was the total amount that she spent?
A group of 4 people wants to buy a boat. The boat costs $280. If they all pay the same amount, how
much is each person’s share?
Express the number in words.
seventy–three million, nine thousand, sixty
seven thousand, thirty-nine hundred six
seven hundred thirty-nine thousand, sixty
seventy–three thousand, nine hundred sixty
Richard‘s team wants to plant 357 trees in 3 months. How many trees per month do they need to
plant?
John earns $9.30/hour. If he works 10 hours, how much will he earn?
One cook can make enough food for 350 people a night. How many cooks are needed to feed 2450
people a night?
Jose Ramirez, a salesperson for a chemical company, travelled 1425 miles on Monday, 322 miles on
Tuesday, and 2125 miles on Thursday. Find the total number of miles he travelled during these
three days.
A country club wants to provide seating for 156 people in its banquet room. If the club has 10 tables
that seat 6 people, how many tables does it need that seat 4 people?
Write the unit cost, rounded to the nearest cent.
If 17 notebooks cost $25.08, then one notebook costs $1.4753.
Divide, dropping zeros from the divisor.
Find the gross pay at the given rate. Round to the nearest cent.
21.4 hours at $9.25 per hour
Round the figure to the nearest dollar.
Round the number as requested.
71,004 to the nearest thousand
Estimate by using front–end rounding.
The original price on a shirt is $13.82. If you receive a $3.59 discount, how much does the shirt cost?
Ultimate Lighting Company, based in the United States, has 16 employees in Belgium, 463
employees in Hong Kong, 62 employees in Argentina, and 39 employees in Australia. What is the
total number of employees working outside of the United States?
Scrambled Electronics will finance a $245 TV set for $50 down and $37.23 a month for 6 months.
How much money can you save by paying cash for the TV set?
Write the decimal using numbers.
nine hundred and fourteen ten–thousandths
Jessie has a ribbon that is 4.8 yards long. He wants to cut it into pieces that are 0.4 yards long. How
many 0.4–yard pieces will he get from the ribbon?
Each gallon of shingle stain covers 120 square feet. How many gallons are needed to cover 480
square feet?
Write the decimal using numbers.
six and nineteen thousandths
First use front–end rounding to write an estimate of the answer, and then multiply fully to obtain an exact answer.
Estimate Problem
×
27.5
×4.5
Estimate: 150, exact: 123.75
Estimate: 15, exact: 12.375
Estimate: 150, exact: 124.75
Estimate: 15, exact: 12.475
Perform the multiplication.