Name:
Date:
CHAPTER TEST A
2
Rational Number Operations
Concepts and Skills
25
Suggested Time:
30 min
(Questions 1 to 4: 4 1 point 4 points,
Questions 5 to 7: 3 2 points 6 points)
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Evaluate each expression.
1.
16 (13)
2. 329 (104)
3.
⎛ 5⎞ ⎛ 9⎞
⎝ 27 ⎠ ⎝ 15 ⎠
4. 68 (4)
5.
18.2 7.3 3 0.4 (6.5)
6.
39.85 41.76 1.2 2
5
5
(0.6)
8
⎛ 14 ⎞
⎜⎝ 7 ⎟⎠
7.
⎛ 15 ⎞
⎝ 21⎠
Assessments Course 2
(M)MIFAss_C2_02.indd 11
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Name:
Date:
Problem Solving
(Questions 8 to 10: 3 2 points 6 points
Questions 11 to 13: 3 3 points 9 points)
Solve. Show your work.
8. The highest outdoor temperature ever recorded in the United States
was 134ºF, measured at Death Valley, California. The coldest outdoor
temperature recorded was 79.8ºF, measured at Prospect Creek, Alaska.
Find the difference between these two temperatures.
10. Jessie needs 1
5
gallons of paint to paint her room. She only has
8
5 gallons of paint. How many more gallons of paint does she need?
6
12
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9. A group of tourists are viewing a U.S. national park. Their tour bus starts
its journey at an elevation of 138 feet below sea level. The bus stops
for a short break after ascending 470 feet in elevation. What is the new
elevation of the bus relative to sea level?
Chapter 2 Test A
(M)MIFAss_C2_02.indd 12
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Name:
Date:
11. Mrs. Williamson wants to buy 2 T-shirts and 6 pairs of socks for her children.
Each pair of socks costs $3.60 and each T-shirt costs $15.80. If she only
budgeted $50, how much is her budget short?
12. A sporting goods store is offering a 6% discount on the sale of football
jerseys. The price of each football jersey is $39.90 before the discount.
How much will Jason be charged if Jason buys 5 football jerseys?
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13. Emily participates in a trivia quiz show. In each round, 20 points are
awarded for a correct answer and 10 points are deducted for an
incorrect answer.
a)
Emily answered 7 questions correctly and 8 incorrectly in the first
round. What was her score for the first round?
b)
Emily answered 4 questions correctly and 11 incorrectly in the second
round. What was her score for the second round?
c)
If the final score is the average of the points for both rounds, find
Emily’s final score.
Assessments Course 2
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Name:
Date:
CHAPTER TEST B
2
Rational Number Operations
Concepts and Skills
25
Suggested Time:
30 min
(Questions 1 to 4: 4 1 point 4 points,
Questions 5 to 7: 3 2 points 6 points)
Evaluate each expression.
1. 43 (17)
3.
2. 516 (230)
⎛ 1 2 ⎞ ⎛ 5 ⎞
⎝ 7 ⎠ ⎝ 18 ⎠
4. 198 (0.4)
4
5
5. 27.8 11.6 2 0.2 (36.5)
7.
14
⎛ 5⎞
⎝ 8 ⎠
3
⎛ 5 ⎞
⎝ 4⎠
3
(0.42)
7
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6. 102.64 (0.4 1.2) Chapter 2 Test B
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Name:
Problem Solving
Date:
(Questions 8 to11: 4 2 points 8 points
Question 12: 3 points,
Question 13: 4 points)
Solve. Show your work.
8. The range of temperatures recorded on Mercury one day was 1,071ºF.
The maximum temperature recorded on Mercury that day was 800.6ºF.
Find Mercury’s minimum temperature that day.
© Marshall Cavendish International (Singapore) Private Limited.
9. A hot air balloon was at a height of 2,180 feet. It then descended at
a rate of 120 feet per minute. After 6 minutes, it descended at a rate
of 150 feet per minute for another 3 minutes. Find its height after the
9 minutes.
10. A bucket can hold 6
1
liters of water when it is full. A 500-milliliter jug
2
is used to fill the bucket. How many full jugs of water are needed to fill
the bucket?
Assessments Course 2
(M)MIFAss_C2_02.indd 15
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Name:
Date:
11. In the first week of January, you received a $150.39 paycheck and a $311.50
electricity bill. In the second week of January, you received a $42.25 telephone
bill and an $80 paycheck. You received a $205.74 paycheck in the third week of
January. At the end of the three weeks, you deposit the paychecks and withdraw
money to pay the bills. By how much will your bank account change?
12. Kelly bought a stock for $38 a share.
a)
The price of the stock dropped $1.50 each day for 4 days, and then rose
$0.80 each day for the next 3 days. Find the total change in the price of the
stock over these 7 days.
b)
How much is each share of the stock worth at the end of the 7 days?
Element
Melting Point (ºF)
Boiling Point (ºF)
Neon
415.46
410.94
Nitrogen
346.00
320.44
Helium
457.60
451.48
The difference between the melting points and boiling points of an element is
known as its liquid range. Use the data to find the liquid ranges of the given
elements. Identify the element with the smallest liquid range.
16
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13. The table shows the melting and boiling points of some chemical elements.
Chapter 2 Test B
(M)MIFAss_C2_02.indd 16
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5
6
9
17.
10
7
19.
16
16. 2
21. 113.2
23. 25%
25. a) 90
b) 36%
22. $42
24. 56.25%
15. 1
21
4
18. 4
5
20. 91.28
8. a) 22
b) 9. 2ºC
10. 95 points
11. a) 5.125
b) 0.9801
12
11
19
6
12. a) 15 2 1
b)
Chapter 2 Test A
15
4
1. 29
2. 433
3. 1
4. 17
5. 30.64
6. 5.425
7. 2 1
5
8. 213.8F
9
3
35
3
24
11. $3.20
12. $187.53
13. a) 60 points
b) 30 points
c) 15 points
Chapter 2 Test B
1. 26
2. 286
5
14
4. 495
© Marshall Cavendish International (Singapore) Private Limited.
3.
5. 75.34
6. 128.48
5
46
8. 270.4F
7.
9. 1,010 ft
10. 13 jugs
11. It will drop by $82.38.
12. a) $3.60
b) $34.40
13. Liquid range of Neon 4.52F
Liquid range of Nitrogen 25.56F
Liquid range of Helium 6.12F
Neon has the smallest liquid range.
Benchmark Test A for Chapters 1 and 2
1.
3.
5.
7.
(M)MIFAss_C2_ANS.indd 177
D
C
D
14
2. B
4. A
6. 9.220
2
1
0
12
19
11
6
1
2
13. 103.87 in2
14. a) 15.06
b) 62.36
15. a)
Student
Pre-Test
Score
Post-Test
Score
Alex
59
65
6
Brian
45
42
3
Calvin
66
61
5
Dave
53
60
7
9. 332 ft
10. 19 gal
1
2
Change
in Score
b) Dave
16. a) 630 ft
b) 7 ft/min
c) 5:30 p.m.
17. a) 29
b) 4.2
c) 3.04
18. n 319
19. a) 1,170ºF
b) 190ºF
Benchmark Test B for Chapters 1 and 2
1.
3.
5.
7.
8.
C
A
B
30.3
a) 34
b) 2
2. D
4. A
6. 0.0410
2
5
9. 128.6°F
10. 693.5 ft
11. a) 0.15625
b) 0.71
Assessments Course 2
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