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Unit 2 Practice Test

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

 1. 

COMPARING POPULATIONS
Country
Population for each Square Mile
France
283
India
898
Jamaica
638
Poland
329
United States
79

Use the table above. Estimate how many more people there are in each square mile in Jamaica than in France. Is your estimate an overestimate or an underestimate?
a.
300, overestimate
c.
900, underestimate
b.
300, underestimate
d.
400, underestimate
 

 2. 
What computation method would be best to find 867 – 518?
a.
Use mental math.
c.
Use a number line.
b.
Use a calculator.
d.
Use paper and pencil.
 

 3. 
An art supply store had 143 boxes of red markers, 241 boxes of blue markers, and 96 boxes of black markers. How many boxes of red, blue and black markers did the store have?
a.
370 boxes
c.
470 boxes
b.
380 boxes
d.
480 boxes
 

 4. 
Tell what computation method would be best to solve the problem. Then solve.
Emerson School raised $7,400 in a calendar sale. They spent $3,000 of that money on computers. How much money do they have left?
a.
calculator, $4,400
c.
mental math, $4,400
b.
mental math, $3,400
d.
calculator, $3,400
 

 5. 
Add. Estimate to check.
unit_2_test_v2_files/i0060000.jpg
a.
$144.80
b.
$144.70
c.
$143.70
d.
$134.60
 

 6. 
Evaluate 14 – k for k = 8.
a.
22
b.
6
c.
148
d.
4
 

 7. 
What phrase describes the expression 15 – 6?
a.
15 increased by 6
c.
6 decreased by 15
b.
Sum of 15 and 6
d.
Difference of 15 and 6
 

 8. 
According to www.cyberdance.org, in Oklahoma there are 4 ballet companies. The total number of dance companies in Oklahoma is 2 more than that. Evaluate the expression b + 2 for b = 4 to find how many dance companies there are in Oklahoma.
a.
2 dance companies
c.
4 dance companies
b.
6 dance companies
d.
8 dance companies
 

 9. 
Find the value of 20 – 16.
a.
16
b.
4
c.
24
d.
36
 

 10. 
Rolando started with 159 marbles. He bought 60 more. Then he won 26. Which number expression would you use to find the number of marbles he has?
a.
(159 + 60) + 26
c.
159 – (60 + 26)
b.
(159 – 60) + 26
d.
(159 + 60) – 26
 

 11. 
Jana found 79 shells on the beach on Monday. On Tuesday, Jana found 104 shells. Use mental math to find how many more shells Jana found on Tuesday than on Monday.
a.
21 shells
c.
25 shells
b.
35 shells
d.
35 shells
 

 12. 
Martha's number pattern begins with 4, 6, 9, 13, 18. What are the next four numbers in her pattern?
a.
24, 31, 39, 48
c.
25, 31, 39, 48
b.
25, 30, 39, 48
d.
24, 30, 38, 47
 

 13. 
Choose the number expression that matches the words.
A centipede can have 100 legs. A spider has 8 legs and a grasshopper has 6 legs. How many more legs does a 100-leg centipede have than a spider and a grasshopper combined?
a.
100 + (8 – 6)
c.
100 – (8 – 6)
b.
100 + (8 + 6)
d.
100 – (8 + 6)
 

 14. 
To subtract 47 – 32 using mental math, Shainia subtracted 47 – 30 and got 17. What should she do next?
a.
Subtract 17 – 3.
c.
Subtract 17 – 2.
b.
Add 17 + 2.
d.
Add 17 + 3.
 

 15. 
Look for a pattern. Complete the number sentence.
70 + 7 = 77
700 + 7 = 707
7,000 + 7 = 7,007
70,000 + 7 = unit_2_test_v2_files/i0160000.jpg
a.
7,070
b.
70,007
c.
70,070
d.
700,007
 

 16. 
Cindi estimated 6,617 + 1,538 using front-end estimation. What did she add?
a.
6,000 + 0
c.
7,000 + 2,000
b.
6,000 + 2,000
d.
6,000 + 1,000
 

 17. 
ESTIMATE 730 – 453 by rounding to the nearest hundred. Is your estimate an overestimate or an underestimate?
a.
200, underestimate
c.
300, underestimate
b.
400, underestimate
d.
200, overestimate
 

 18. 
Jessica packed 38 oranges and 98 apples for the class picnic. Use mental math to find how many pieces of fruit she packed.
a.
60 pieces of fruit
c.
136 pieces of fruit
b.
108 pieces of fruit
d.
126 pieces of fruit
 

 19. 
The Lockesboro Elementary School T-shirt was made famous by a rock star. The school received orders for 1,172 shirts by mail and e-mail from all over the world. Another 149 shirts were sold in Internet auctions. How many T-shirts were purchased altogether?
a.
1,211 T-shirts
c.
1,321 T-shirts
b.
1,221 T-shirts
d.
2,321 T-shirts
 

 20. 
Find the sum. Estimate to check.
unit_2_test_v2_files/i0210000.jpg
a.
9,055
b.
9,965
c.
10,065
d.
10,075
 

 21. 
Write an expression for the number of shoes.
31 socks, but 3 fewer shoes
a.
31 + 3
b.
3 ´ 31
c.
31 – 3
d.
3 – 31
 

 22. 
For the winter choral concert, 277 seats were filled in the McDermott auditorium. The auditorium seats 400. Use mental math to find how many seats were empty.
a.
223 seats
c.
123 seats
b.
213 seats
d.
113 seats
 

 23. 
Solve the equation.
b – 3 = 4
a.
b = 14
b.
b = 1
c.
b = 34
d.
b = 7
 

 24. 
This table shows Hector's scores for six games.
HECTOR’S SCORES
Game
Score
1
15,986
2
13,539
3
32,562
4
41,376
5
23,765
6
31,450

Suppose Hector plays a seventh game and scores 1,805 more points than he did in Game 6. Find his score for Game 7.
a.
33,155
b.
33,250
c.
33,255
d.
33,260
 

 25. 
This table shows Hector's scores for six games.
HECTOR’S SCORES
Game
Score
1
15,986
2
13,539
3
32,562
4
41,376
5
23,765
6
31,450

What was his combined score for Games 6, 1, and 2?
a.
61,975
b.
60,975
c.
61,000
d.
61,075
 

 26. 
Solve the equation.
23 = n + 8
a.
n = 14
b.
n = 32
c.
n = 15
d.
n = 31
 

 27. 
To add 137 + 57 using mental math, Lia added 140 + 57 and got 197. What should she do next?
a.
Add 197 + 3.
c.
Add 197 – 3.
b.
Subtract 197 – 3.
d.
Subtract 197 + 3.
 

 28. 
Kelly wants to buy a CD Player which costs $125. She had saved $71 and then received $24 for her birthday. ESTIMATE the amount of money Kelly has. Is your estimate an overestimate or an underestimate?
a.
$220, overestimate
c.
$90, underestimate
b.
$100, underestimate
d.
$80, overestimate
 

 29. 
In 1690, a scientist suggested for the first time that light was wave-like. In 1958, scientists invented the first of various forms of lasers. To the nearest hundred years, which is the best estimate of the number years between these two events?
a.
500 years
b.
400 years
c.
300 years
d.
200 years
 

 30. 
Choose the number expression that matches the words.
Zek made 70 signs. He put up 24 on Monday and 16 on Tuesday.
a.
(70 + 24) – 16
c.
(70 – 24) – 16
b.
70 – (24 – 16)
d.
(70 – 24) + 16
 

 31. 
After Manuel bought a t-shirt for $5, he had $9 left. How much money did he have to start? Let unit_2_test_v2_files/i0320000.jpg the amount of money he had to start. Use the equation unit_2_test_v2_files/i0320001.jpg to solve the problem.
a.
d = 4
b.
d = 5
c.
d = 14
d.
d = 13
 

 32. 
Tito is buying a birthday card for $4.25. He gives the cashier $5.00. How much change should he receive?
a.
$0.75
b.
$0.85
c.
$1.75
d.
$0.65
 

 33. 
Li had $35 before he went shopping. Evaluate the expression 35 – d for d = 12 to find how much money Li had left after he spent $12 while shopping.
a.
$23
b.
$21
c.
$3,512
d.
$47
 

 34. 
To subtract 314 – 49 using mental math, Heath subtracted 314 – 50 and got 264. What should he do next?
a.
Subtract 264 – 1.
c.
Add 264 + 1.
b.
Add 264 + 9.
d.
Subtract 264 – 9.
 

 35. 
Tell what computation method would be best to solve the problem. Then solve. Use the Notable Flights table.
NOTABLE FLIGHTS
Year
Flight
1903
Wright Brothers’ first airplane flight
1927
Lindbergh’s solo airplane flight from New York to Paris
1961
First American in space
1969
First landing on the moon

How many years were there between first landing on the moon and the Wright Brothers' first airplane flight?
a.
mental math, 66 years
c.
mental math, 76 years
b.
calculator, 76 years
d.
calculator, 66 years
 

 36. 
ESTIMATE by rounding to the nearest hundred.
906 – 145
a.
1,100
b.
1,000
c.
900
d.
800
 

 37. 
Ayla needs to make 4 more pot holders to finish the 11 she promised to make. How many pot holders has she made already? Let n = the number of pot holders Ayla has made. Use the equation unit_2_test_v2_files/i0380000.jpg to solve the problem.
a.
n = 15
b.
n = 8
c.
n = 16
d.
n = 7
 

 38. 
Evaluate n – 3 for n = 20.
a.
203
b.
16
c.
17
d.
23
 

 39. 
Add mentally.unit_2_test_v2_files/i0400000.jpg26 + 79
a.
95
b.
20
c.
36
d.
105
 

 40. 
Which is the best estimate for 2,897 + 3,208?
a.
7,000
c.
5,000
b.
6,000
d.
4,000
 

 41. 
What computation method would be best to find 934,345 – 885,568?
a.
Use a number line.
c.
Use a calculator.
b.
Use mental math.
d.
Use paper and pencil.
 

 42. 
Choose the number expression that matches the words.
Amelia had $43 and spent $8. Then she earned $16 more.
a.
($43 + $8) – $16
c.
($43 – $8) + $16
b.
($43 + $8) + $16
d.
$43 – ($8 + $16)
 

 43. 
In 1492, Christopher Columbus came upon a land previously unknown to Europeans. This land became known as the Americas. In 1776, the United States of America was formed when the Declaration of Independence was signed. How many years had passed?
a.
224 years
b.
274 years
c.
284 years
d.
384 years
 

 44. 
A video store rented 204 films on Friday evening and 199 films on Saturday evening. How many more films were rented on Friday than on Saturday?
a.
6 films
b.
15 films
c.
195 films
d.
5 films
 

 45. 
Mrs. Jones was born in 1908. This was the year that Henry Ford introduced the Model T car which sold for $850. In what year was Mrs. Jones 67 years old? Use mental math to solve.
a.
1914
b.
1965
c.
1975
d.
1977
 

 46. 
The Lockesboro Elementary School T-shirt was made famous by a rock star. The school sold shirts for a total of $11,720 to people from all over the world. The school made an additional $2,290 on shirts sold to students and their families. What was the total amount of money the school took in on the T-shirts?
a.
$13,010
c.
$14,010
b.
$13,910
d.
$14,910
 

 47. 
Which is the best estimate of the difference?
unit_2_test_v2_files/i0480000.jpg
a.
10,000
c.
12,000
b.
11,000
d.
33,000
 

 48. 
Add. Estimate to check.
323 + 679
a.
902
b.
992
c.
1,002
d.
9,102
 

 49. 
Use the Air Distances table to answer the question.
AIR DISTANCES
From
To
Miles
Hong Kong
Port Said, Suez Canal, Egypt
4¸950
Port Said, Suez Canal, Egypt
Capetown, South Africa
4¸590
Capetown, South Africa
Zanzibar City, Tanzania
2¸350
Zanzibar City, Tanzania
Istanbul, Turkey
3¸310
Istanbul, Turkey
Calcutta, India
3¸650
Calcutta, India
Hong Kong
1¸530

Find the total air distance of a trip from Zanzibar City¸ Tanzania to Istanbul¸ Turkey then to Calcutta¸ India, then to Hong Kong.
a.
8,590 miles
c.
8,390 miles
b.
8,490 miles
d.
7,490 miles
 

 50. 
Find a pattern to help solve the problem.
Drew put cutouts of leaves on the bulletin board. He put 7 leaves in the top row, 3 leaves in the second row, 7 leaves in the third row, 3 leaves in the fourth row, and so on. How many leaves did he put in the seventh row?
a.
7 leaves
b.
15 leaves
c.
3 leaves
d.
10 leaves
 

 51. 
Add.
unit_2_test_v2_files/i0520000.jpg
a.
$84.22
b.
$93.22
c.
$83.22
d.
$83.32
 

 52. 
The bar graph shows the amount of fat in foods.
FAT IN FOODS
unit_2_test_v2_files/i0530000.jpg
unit_2_test_v2_files/i0530001.jpg
unit_2_test_v2_files/i0530002.jpg
unit_2_test_v2_files/i0530003.jpg
unit_2_test_v2_files/i0530004.jpg
unit_2_test_v2_files/i0530005.jpg

Write a number expression. How many more grams of fat are in 2 slices of bologna than in 1 cup of whole milk?
a.
16 ´ 8
b.
16 + 8
c.
16 – 8
d.
8 – 16
 

 53. 
What is the next shape in the pattern?
unit_2_test_v2_files/i0540000.jpgunit_2_test_v2_files/i0540001.jpgunit_2_test_v2_files/i0540002.jpgunit_2_test_v2_files/i0540003.jpgunit_2_test_v2_files/i0540004.jpg
a.
unit_2_test_v2_files/i0540005.jpg
b.
unit_2_test_v2_files/i0540006.jpg
c.
unit_2_test_v2_files/i0540007.jpg
d.
unit_2_test_v2_files/i0540008.jpg
 

 54. 
Write a number expression for the phrase.
$15 increased by $7
a.
$7 ´ $15
c.
$15 + $7
b.
$7 – $15
d.
$15 – $7
 

 55. 
Subtract.
unit_2_test_v2_files/i0560000.jpg
a.
2,718
b.
2,728
c.
2,818
d.
3,718
 



 
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