Math 100
Decimal Arithmetic and Its Applications
[Place Value]
!
thousands
Written By Steve Chow
(Q5.) Round 2.9752 to the nearest thousandth
!
! !
(A) 2.975
hundreds tens ones
4 , 3 2 1 . 5" 6"
(B) 2.976
tenth hundredth
(C) 2.974
(D) 2.979
[Rounding]
(Q1.) Round 15.393 to the nearest hundredth
(A) 15.39
[Ordering]
(B) 15.30
(Q6.) Which of the following is the least?
(A) 0.34
(C) 15.49
(B) 2.001
(C) 1.799
(Q2.) Round 92.185 lb to the nearest tenth
(D) 0.098
(A) 92.1 lb
(B) 92.2 lb
(C) 92 lb
(Q7.) Which of the following is the least?
(D) 92.19 lb
(A) 15.303
(B) 2.99
(Q3.) Round $8.427 to the nearest hundredth
(A) $8.43
(C) 10.002
(B) $8.428
(D) 5.39
(C) $8.4
(D) $8
(Q8.) Which of the following is the greatest?
(A) $ 0.04
(Q4.) Round 77.777 to the nearest tenth
(A) 78
(B) $ 0.0299
(B) 80
(C) $ 0.1
(C) 77.78
(D) $ 0.007
(D) 77.8
Veterans Upward Bound
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(Q14.) Estimate 26.108 ! 7.9
(Q9.) Which of the following is the greatest?
(A) 12.09
(A) 198
(B) 7.81
(B) 208
(C) 0.8742
(C) 318
(D) 2.075
(D) 278
(Q10.) Which of the following is the least?
(Q15.) Which of the following is closest to
8.91 ! 0.0014
(A) 0.1008 cm
(B) 0.06 cm
(A) 0
(C) 2.11 cm
(B) 9
(D) 18.18 cm
(C) 8
(D) 17
[Estimating]
(Q11.) 8.07 ! 9.1 is approximately equal to
(Q16.) Which of the following is closest to
39.82 + 12.39 + 4.006
(A) 90
(B) 85
(A) 39
(C) 80
(B) 66
(D) 72
(C) 75
(D) 56
(Q12.) 29.3 ! 4.8 is approximately
(A) 150
(B) 130
(Q17.) Which of the following is closest to
9.6 + 4.8 + 14.78
(C) 210
(D) 80
(A) 21
(B) 22
(Q13.) 9.84 ! 2.95 is closest to
(C) 30
(A) 48
(D) 42
(B) 23
(C) 30
(D) 19
Veterans Upward Bound
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(Q23.) 8 ÷ 20 =
(Q18.) Which of the following is closest to
80.208 ! 23.87
(A) 0.004
(A) 56
(B) 0.04
(B) 44
(C) 0.4
(C) 103
(D) 2.5
(D) 37
(Q24.) 5 ÷ 13 =
(Q19.) Which of the following is closest to
(A) 2.6
138.49 ! 47.66
(B) 0.26
(A) 75
(C) 0.38
(B) 80
(D) 3.8
(C) 90
(D) 105
(Q25.) 13 ÷ 40 =
[Division with Whole Numbers]
(A) 3.25
(Q20.) 63 ÷ 4 =
(B) 0.325
(A) 16.75
(C) 0.0325
(B) 15.25
(D) 0.00325
(C) 15.75
(Q26.) 18 ÷ 90 =
(D) 14.75
(A) 5
(Q21.) 40 ÷ 7 =
(B) 0.02
(A) 5.71
(C) 0.2
(B) 5.82
(D) 0.5
(C) 5.34
(D) 5.39
(Q27.) 9 ÷ 4 =
(Q22.) 35 ÷ 28 =
(A) 2.25
(A) 125
(B) 0.75
(B) 0.125
(C) 0.44
(C) 12.5
(D) 1.25
(D) 1.25
Veterans Upward Bound
3
(Q28.) 4 ÷ 9 =
(Q33.) 9.83 ! 5.212 =
(A) 2.25
(A) 4.618
(B) 0.75
(B) 4.728
(C) 0.44
(C) 4.608
(D) 1.25
(D) 4.578
(Q29.) 17 ÷ 8 =
(Q34.) 16.1 ! 9.3 =
(A) 2.125
(A) 149.73
(B) 0.2125
(B) 141.45
(C) 21.25
(C) 180.73
(D) 0.02125
(D) 85.93
(Q35.) 30.18 ! 0.42 =
[Decimal Arithmetic]
(Q30.) 3.22 + 0.5 + 7.32 =
(A) 13.5812
(A) 12.04
(B) 12.9818
(B) 11.04
(C) 14.5931
(C) 10.94
(D) 12.6756
(D) 9.84
(Q36.) 24 ! 0.065 =
(Q31.) 17.015 + 3.24 + 0.7 =
(A) 15.6
(A) 20.955
(B) 156
(B) 19.985
(C) 0.156
(C) 21.595
(D) 1.56
(D) 20.855
(Q37.) 72 ! 0.082 =
(Q32.) 38.95 ! 2.18 =
(A) 5.904
(A) 36.07
(B) 0.5904
(B) 37.87
(C) 0.05904
(C) 34.77
(D) 59.04
(D) 36.77
Veterans Upward Bound
4
(Q38.) 67.4 ÷ 4 =
(Q43.) 6.375 ÷ 1.5 =
(A) 17.85
(A) 0.475
(B) 16.85
(B) 4.25
(C) 17.425
(C) 4.225
(D) 1.685
(D) 4.0275
(Q39.) 2.4 ÷ 0.5 =
(Q44.) 13.6 ÷ 5 =
(A) 480
(A) 2.722
(B) 48
(B) 2.172
(C) 4.8
(C) 2.72
(D) 0.048
(D) 2.75
(Q40.) 7.2 ÷ 0.09 =
[Percentage to Decimal]
(A) 0.08
(Q45.) 9% is the same as
(B) 0.8
(A) 0.009
(C) 8
(B) 0.09
(D) 80
(C) 0.9
(D) 900
(Q41.) 35 ÷ 0.2 =
(A) 175
(Q46.) 27% is the same as
(B) 17.5
(A) 0.27
(C) 1.75
(B) 0.027
(D) 0.175
(C) 2.7
(D) 2.07
(Q42.) 47.7 ÷ 20 =
(A) 2.385
(Q47.) 8.25% is the same as
(B) 23.85
(A) 825
(C) 2.475
(B) 82.5
(D) 2.925
(C) 0.825
(D) 0.0825
Veterans Upward Bound
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(Q48.) 200% is the same as
(Q53.) 4.121 is the same as
(A) 2
(A) 41.21%
(B) 20
(B) 412.1%
(C) 0.2
(C) 0.04121%
(D) 0.02
(D) 4121%
(Q49.) 175% is the same as
(Q54.) 8 is the same as
(A) 0.175
(A) 0.8%
(B) 17.5
(B) 0.08%
(C) 1.75
(C) 80%
(D) 0.0175
(D) 800%
[Decimal to Percentage]
(Q55.) 1 is the same as
(Q50.) 0.04 is the same as
(A) 0.1%
(A) 0.4%
(B) 10%
(B) 4%
(C) 100%
(C) 40%
(D) 1000%
(D) 400%
[Application]
(Q56.) A few years ago, the sales tax rate in
LA was 8.25%. Write 8.25% as a decimal
(A) 82.5
(Q51.) 0.35 is the same as
(A) 35%
(B) 0.825
(B) 3.5%
(C) 0.0825
(C) 0.35%
(D) 0.09
(D) 0.035%
(Q52.) 0.0025 is the same as
(A) 2.5%
(B) 0.25%
(C) 0.025%
(D) 25%
Veterans Upward Bound
6
(Q57.) At a certain grocery store, the apples
are on sale for $0.72 per lb. How much does
it cost if we buy 28 lbs of apples?
(A) $18.96
(Q60.) A football team played 60 games and
won 45 of them. What was its winning
percentage?
(A) 75%
(B) $20.16
(B) 65%
(C) $21.66
(C) 55%
(D) $23.06
(D) 45%
(Q58.) At Cal Poly Pomona, the school
charges a 2.9% convenient fee if a student
makes a payment by their credit cards. If a
student wants to pay a $499 tuition fee using
his credit card, approximately how much
does he have to pay for the convenient fee?
(A) $15
(Q61.) In 1974, the Dodgers played 162
games and won approximately 63% of them
(That was their best winning record). How
many games did the Dodgers win?
(A) 100
(B) 99
(C) 102
(B) $150
(D) 106
(C) $20
(D) $1.5
(Q62.) In 1995-1996 NBA season, Michael
Jordan led the Chicago Bulls to the record of
72 wins and 10 losses. What was the winning
percentage?
(A) 87.8%
(Q59.) The current sales tax in LA is 9.75%.
How much tax do you have to pay if you
purchase a computer that cost $700?
(A) $68.75
(B) $68.25
(B) 84.5%
(C) $70.25
(C) 82%
(D) $70.75
Veterans Upward Bound
(D) 90%
7
(Q63.) What is 80% of 200?
(Q67.) Convert 72 kg into lb (1 kg = 2.2 lb)
(A) 120.8 lb
(A) 160
(B) 15.61 lb
(B) 16
(C) 32.72 lb
(C) 1.6
(D) 158.4 lb
(D) 250
(Q68.) All the books at a certain tax-free
bookstore are 40% off. If John wants to buy a
book that originally costs $20, how much
does he need to pay after the sale?
(A) $8
(Q64.) What is 35% of 30?
(A) 105
(B) 10.5
(C) 1.05
(B) $24
(D) 9.5
(C) $16
(D) $12
(Q65.) 40 is 20% of what number?
(A) 80
(Q69.) Fill in the blank: 4.75 + ____ = 11
(B) 8
(A) 5.75
(C) 200
(B) 4.85
(D) 20
(C) 7.25
(D) 6.25
(Q70.) Fill in the blank: 18.5 ! ____ = 12.2
(Q66.) 21 is 70% of what number
(A) 300
(A) 5.3
(B) 30
(B) 7.3
(C) 14.7
(C) 30.7
(D) 147
(D) 6.3
Veterans Upward Bound
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[Answers]
(Q1.) A
(Q2.) B
(Q3.) A
(Q4.) D
(Q5.) A
(Q6.) D
(Q7.) B
(Q8.) C
(Q9.) A
(Q10.) B
(Q11.) D
(Q12.) A
(Q13.) C
(Q14.) B
(Q15.) A
(Q16.) D
(Q17.) C
(Q18.) A
(Q19.) C
(Q20.) C
(Q21.) A
(Q22.) D
(Q23.) C
(Q24.) C
(Q25.) B
(Q26.) C
(Q27.) A
(Q28.) C
(Q29.) A
(Q30.) B
(Q31.) A
(Q32.) D
(Q33.) A
(Q34.) A
(Q35.) D
(Q36.) D
(Q37.) A
(Q38.) B
(Q39.) C
(Q40.) D
(Q41.) A
(Q42.) A
(Q43.) B
(Q44.) C
(Q45.) B
(Q46.) A
(Q47.) D
(Q48.) A
(Q49.) C
(Q50.) B
(Q51.) A
(Q52.) B
(Q53.) B
(Q54.) D
(Q55.) C
(Q56.) C
(Q57.) B
(Q58.) A
(Q59.) B
(Q60.) A
(Q61.) C
(Q62.) A
(Q63.) A
(Q64.) B
(Q65.) C
(Q66.) B
(Q67.) D
(Q68.) D
(Q69.) D
(Q70.) D
Veterans Upward Bound
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