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Chapter 2 Test - Multiplying Whole Numbers and Decimals

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

 1. 

A school needs to buy 90 new computers as shown below. What is the total amount of money the school will need to buy the computers?
chapter2_test_files/i0020000.jpgchapter2_test_files/i0020001.jpg
a.
$6,300
b.
$7,900
c.
$63,000
d.
$630,000
 

 2. 

A playhouse is putting on a production of Show Boat. The following table shows the number of sections of seats they have, the number of seats in each section, and the price for each seat. The producers need to know how much money they would make if they sold a ticket for each seat in the playhouse. Which is the most reasonable estimate?
PLAYHOUSE SEATING
Sections
2
Seats per Section
87
Price per Seat
$49
a.
$90,000
b.
$9,000
c.
$1,380
d.
$900
 

 3. 

A certain activity burns 203 calories in one hour. Use the Distributive Property and mental math. What is the total calories burned in 8 hours?
a.
1,624 calories
b.
1,600 calories
c.
1,576 calories
d.
1,520 calories
 

 4. 

A train has 59 cars. If each car holds 23 people, what is the total number of people the train can hold?
chapter2_test_files/i0050000.jpg
a.
1,541 people
b.
1,357 people
c.
1,247 people
d.
1,150 people
 

 5. 

Annie is taking a class to learn how to speak German. For each vocabulary test, she has to learn 26 new words. If she has 29 tests over the year, what is the total number of words she has to learn?
a.
754 words
b.
580 words
c.
520 words
d.
400 words
 

 6. 

A three-person committee is to be formed in the House of Representatives. The people being considered for the committee are Brown, Katz, O'Hara, Smith, and Aydin. How many different three-person committees can be formed from the five people?
a.
There are 12 different possible committees.
b.
There are 30 different possible committees.
c.
There are 60 different possible committees.
d.
There are 10 different possible committees.
 

 7. 

It takes Lydia 100 times longer to run 1 mile than 40 yards. If it takes her 5.662 seconds to run 40 yards, how long will it take Lydia to run 1 mile?
a.
56.62 seconds
b.
566.2 seconds
c.
5,662 seconds
d.
56,620 seconds
 

 8. 

Elly collected 4.15 pounds of aluminum cans. Her town collected 1,000 times more than Elly collected. How many pounds of cans did the town collect?
a.
41.5 pounds
b.
415 pounds
c.
4,150 pounds
d.
41,500 pounds
 

 9. 

Maria wants to purchase 10 jazz songs and download them on the computer. Each song costs $1.34. Which is the most reasonable estimate for the total cost of the music?
a.
$50.00
b.
$35.00
c.
$20.00
d.
$10.00
 

 10. 

A truck is transporting 50 containers like the one shown. What is the total weight the truck is transporting?
chapter2_test_files/i0110000.jpg
a.
2,085 pounds
c.
2,050.35 pounds
b.
2,053.5 pounds
d.
208.5 pounds
 

 11. 

A theatre has 56 seats in one row. If each seat is 2.88 feet wide, what is the length of the entire row of seats?
a.
604.8 feet
b.
161.28 feet
c.
116.928 feet
d.
16.128 feet
 

 12. 

What multiplication sentence describes the dotted area on the 10 ´ 10 grid? Remember that a 10 ´ 10 grid represents one whole.
chapter2_test_files/i0130000.jpg
a.
0.4 ´ 0.2
b.
0.3 ´ 0.3
c.
0.3 ´ 0.2
d.
0.4 ´ 0.3
 

 13. 

The following table shows the average price of gasoline from past years at a certain gas station. What was the cost of 5.9 gallons of gas in 1970 from this gas station?
GASOLINE PRICES
Year
Price per Gallon
1950
$0.30
1970
$0.50
1990
$0.80
a.
$29.50
b.
$2.95
c.
$0.30
d.
$2.75
 

 14. 

Raul knows that the product of 30.5 and 5.9 is 179.95. What is the product of 3.05 and 5.9?
a.
0.295
b.
1.7995
c.
17.995
d.
179.95
 

 15. 

What algebraic expression represents this word phrase?
4 more than a length
a.
l ´ 4
b.
l + 4
c.
l ¸ 4
d.
l - 4
 

 16. 

What is the rule for the table?
Input
Output
14
11
19
16
22
19
27
24
a.
Multiply by 3.
c.
Divide by 3.
b.
Subtract 3.
d.
Add 3.
 

 17. 

Miriam eats 5 apples each week for 4 weeks. An apple has 80 calories. How many calories did all of the apples have?
a.
720 calories
c.
320 calories
b.
1,600 calories
d.
400 calories
 

 18. 

The student drama club is presenting a play for the community. The following table shows the numbers of times they will perform the play, the number of seats they have for each show, and the price for each seat. The director of the club wants to know how much money they would make in all if they filled all of the seats for each performance. Which is the most reasonable estimate?

Number of performances
3
Number of seats
58
Price per seat
$12
a.
$600
c.
$3,600
b.
$1,800
d.
$2,400
 

 19. 

Biking burns 240 calories in one hour. Use the Distributive Property and mental math. How many calories are burned in 3 hours?
a.
640 calories
c.
600 calories
b.
180 calories
d.
720 calories
 

 20. 

If 2 ´ 48 = (2 ´ 40) + (2 ´ n), what is the value of n?
a.
48
c.
8
b.
2
d.
40
 

 21. 

Four students from Mrs. Wilson’s class will be chosen to lead the opening song at an assembly. The students being considered are John, Lee, Eric, Kyle, Nikki, and Shelby. How many different four-person groups can be formed from the six students?
a.
There are 5 different possible groups.
c.
There are 20 different possible groups.
b.
There are 15 different possible groups.
d.
There are 25 different possible groups.
 

 22. 

Horatio collected 12.8 pounds of food for a food drive. His school collected 1,000 times more than Horatio collected. How many pounds of food did the school collect?
a.
128,000 pounds
c.
1,280 pounds
b.
12,800 pounds
d.
128 pounds
 

 23. 

The following table shows the length of each student’s drawing. Which student will enlarge the length of his drawing to 180 centimeters if he enlarges it 10 times?

Student
Art Size
Tom
1.8 cm
John
18.0 cm
Andrew
180.0 cm
Joel
1,800.0 cm
a.
Tom
c.
Andrew
b.
John
d.
Joel
 

 24. 

For a summer picnic, Mrs. Sanchez bought 8.32 pounds of cherries for $2.89 per pound. Which is the most reasonable estimate for the total cost of the cherries?
a.
$16.00
c.
$24.00
b.
$18.00
d.
$11.00
 

 25. 

An employee of a bike shop is moving 23 boxes containing bikes. Each box weighs 24.7 pounds. What is the total weight of the boxes being moved?
a.
4,461 pounds
c.
446.1 pounds
b.
568.1 pounds
d.
5,681 pounds
 

 26. 

Which 10 ´ 10 grid shows the product of 0.3 ´ 0.5?
a.

chapter2_test_files/i0270000.jpg
c.

chapter2_test_files/i0270001.jpg
b.

chapter2_test_files/i0270002.jpg
d.

chapter2_test_files/i0270003.jpg
 

 27. 

What is the cost of 12.6 gallons of gasoline if the price per gallon is $1.40?
a.
$14.00
c.
$17.64
b.
$176.40
d.
$6.30
 

 28. 

Simone knows that the product of 2.75 and 89.1 is 245.025. What is the product of 27.5 and 89.1?
a.
2.45025
c.
24,502.5
b.
2,450.25
d.
24.5025
 

 29. 

If you multiplied 0.08 by 0.33, how many decimal places would be in the product?
a.
two places
c.
four places
b.
three places
d.
six places
 

 30. 

Which table shows the rule Add 6?
a.
chapter2_test_files/i0310000.jpg
c.
chapter2_test_files/i0310001.jpg
b.
chapter2_test_files/i0310002.jpg
d.
chapter2_test_files/i0310003.jpg
 



 
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