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Use addition, subtraction, or multiplication to solve the problem.
There are 16,904 freshmen and 12,965 sophomores enrolled at Lincoln Community Junior College.
What is the total enrollment?
Alicia sold $2348 in paintings at the art fair. If she sold 4 paintings total, and they all sold for the
same amount, what was the price of one painting?
The number of atoms in a slice of cheese is 12,988,263,449. Round this amount to the nearest
ten–thousand.
Sue had $342 in her bank account. She deposited a $709 paycheck and a $643 paycheck. How much
did she deposit and what was her new balance?
Write the digit for the given place value in the whole number.
2,121,571,308
billions
millions
Write the number using digits.
ten million, three hundred fifty–four thousand, two hundred three
Use the bar graph to answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences.
Find the total number of students majoring in either History or English.
Divide. If the division is not possible, write “undefined.”
Sonya is driving 784 miles to get home from college. If she drives 304 miles the first day, how many
miles remain?
Write the number using digits.
forty–eight thousand, seventeen
A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of
servings that can be prepared in one hour.
Pizza: 4 servings per pan
Number of pans per oven: 4
Pan changes per hour: 2
Number of ovens: 4
Round the number to the nearest ten, nearest hundred, and nearest thousand.
Ten 24,170
Hundred 24,200
Thousand 24,000
Ten 24,160
Hundred 24,200
Thousand 24,180
Ten 24,170
Hundred 24,160
Thousand 25,000
Ten 24,160
Hundred 24,100
Thousand 25,000
The gross national product for the United States was $57,687,189,435,419. Round this amount to the
nearest ten–million.
A
Check the addition. If the answer is incorrect, find the correct answer.
Incorrect; should be 13,511
Incorrect; should be 14,611
Incorrect; should be 13,521
Last year the hatch–back model of a new car cost $15,819. This year’s model costs $18,904. How
much more does this year’s model cost?
The gross national product for the United States was $53,109,875,333,482. Round this amount to the
nearest ten–billion.
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
Incorrect; should be 94,903 R2
Incorrect; should be 94,902 R4
Incorrect; should be 94,902 R3
A concrete curb is to be built around a parking lot. How many meters of curbing will be needed?
51 meters
33 meters 33 meters
51 meters
Maria needs to replace all the fencing around her horse pasture. How many meters of fencing will
she need?
91 meters
69 meters 99 meters
130 meters
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
Incorrect; should be 8252 R3
Incorrect; should be 8249 R2
Incorrect; should be 8249 R1
Divide. If the division is not possible, write “undefined.”
Estimate the answer by rounding as indicated.
Estimate by rounding to the nearest hundred.
673
670
362
453
+ 163
1336 employees
at $149 per day
Divide. If the division is not possible, write “undefined.”
Use the line graph to answer the question.
The line graph shows the 2001 sales data for the Big “D” company.
What were the total sales for the first 6 months?
Use the bar graph to answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences.
How many students are majoring in History?
Write the number as indicated.
An ocean covers approximately three million, six hundred sixty–one thousand, three hundred
square miles. Write the number using digits.
Write the number in words.
twenty–five million, thirty thousand, five hundred thirty–five
two hundred fifty million, three hundred thousand, five hundred thirty–five
two million, five hundred three thousand, five hundred thirty–five
two hundred fifty million, thirty thousand, five hundred thirty–five
B
The Human Resources department of a medium–sized corporation reported that the average age of
its employees is 47 years and the average number of hours each employee worked each week is 44
hours. Round each of these numbers to the nearest ten.
Work the chain multiplication.
Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.
Divide by using long division.
Solve the problem. First use front end rounding. Then find the exact answer.
The number of vacationers at the lake was 3061 on Friday. If this was 1387 more than on Thursday,
how many people were at the lake on Thursday?
Estimate: 2000 vacationers; exact: 1674 vacationers
Estimate: 4500 vacationers; exact: 4448 vacationers
Estimate: 4000 vacationers; exact: 4450 vacationers
Estimate: 1700 vacationers; exact: 1670 vacationers
Round the number as indicated.
491 to the nearest hundred
Solve the problem by using addition, subtraction, multiplication, or division as needed.
A customer borrowed $7200 from his credit union for a year. If the interest on the loan was $576,
what were his monthly payments?
A survey of 1492 people found that 523 people were planning to travel on Labor Day weekend.
How many people were planning to stay home?
Write the number using digits.
one hundred million, six thousand
Divide. If the division is not possible, write “undefined.”
Write the number in words.
four hundred twenty–seven million, seven hundred seventy thousand, fifty
four hundred twenty–seven million, seventy–seven thousand, fifty
four hundred twenty–seven million, seven hundred seventy thousand, five hundred
four hundred twenty–seven million, seven hundred seventy thousand, five
Divide by using long division.
Estimate the answer by rounding as indicated.
Estimate by rounding to the nearest ten.
74
– 17
A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of
servings that can be prepared in one hour.
Cookies: 12 servings per pan
Number of pans per oven: 6
Pan changes per hour: 5
Number of ovens: 2
A
Use the line graph to answer the question.
The line graph shows the 2001 sales data for the Big “D” company.
In the first six months, which month(s) had the highest sales?
Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.
Work the chain multiplication.
An employee was paid $46,150 during the first half of last year. During the second half he was paid
$47,898. How much more was his income during the second half?
D
Use the pictograph to answer the question.
For selected countries, this pictograph shows approximately how many kilograms of seafood is
consumed by each person (per capita) annually.
500
Which country consumes the most seafood?
There are 1183 students registered at Lincoln Community College. 570 of them are men. How many
women are registered?
Simplify the expression by using the order of operations.
D)
Write the number in words.
nine million, ninety thousand, eight hundred sixty–six
nine million, nine thousand, eight hundred sixty–six
ninety–nine thousand, eight hundred sixty–six
nine million, nine hundred thousand, eight hundred sixty–six
Simplify the expression by using the order of operations.
Use the bar graph to answer the question.
The bar graph illustrates the number of minutes of cell phone usage during selected months. How
many minutes were used during the month of February?
D