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IntroductionGT package Math Olympiad
Math Olympiad 1
Math Olympiad 2
Math Olympiad 3
Math Olympiad 4
Math Olympiad 5
Week 1: Number SubstitutionWeek 2: MeasurementsWeek 3: Sum, Difference & MultipleWeek 4: Fraction & DecimalsWeek 5: Quiz 1Week 6: Solve EquationWeek 7: Geometry (1)Week 8: Counting ProblemsWeek 9: Number CalculationWeek 10: Quiz 2Week 11: Percentage ProblemsWeek 12: Distance, Speed & TimeWeek 13: Work ProblemsWeek 14: Divisibility and RemainderWeek 15: Quiz 3Week 16: Least and MostWeek 17: Word Problems (1)Week 18: Number Thinking (1)Week 19: Combination & Probability (1)Week 20: Quiz 4Week 21: AlgebraWeek 22: Time ProblemsWeek 23: Average ProblemsWeek 24: Multiple & FactorWeek 25: Quiz 5Week 26: Mid-Term ExamWeek 27: Ratio ProblemsWeek 28: Number Thinking (2)Week 29: Data AnalysisWeek 30: Age ProblemsWeek 31: Quiz 6Week 32: Number SequencesWeek 33: Pattern ProblemWeek 34: "Unsolvable" EquationsWeek 35: Money ProblemsWeek 36: Quiz 7Week 37: Geometry(2)Week 38: Logical ReasoningWeek 39: Word Problem (2)Week 40: Number Thinking (3)Week 41: Quiz 8Week 42: Combination & Probability (2)Week 43: Distance, Speed & Time (2)Week 44: Challenge Geometry Questions Week 45: Sum, Difference & Multiple (2)Week 46: Quiz 9Week 47: Probability ProblemsWeek 48: Distance, Speed & Time (3)Week 49: Price & CostWeek 50: Challenge ProblemsWeek 51: Quiz 10Week 52: Final Exam
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Fraction & Decimals( Week 4 Evaluation)
1.  What is half of 1.29 × 109?
A) 1.29 × 104
B) 0.645 × 108
C) 6.45 × 59
D) 6.45 × 108
E) 6.45 × 104
2.  Which of the following is NOT larger than 0.43?
A)
4
9
 
B)
1
2
 
C)
3
6
 
D)
2
4
 
E)
2
5
 
3.  An online store sells a HDTV set with an attractive financial arrangement. A customer only needs to put $110 down and then pays off the balance in 6 months with 6 equal installations of $93.00 each. What is the total cost (in dollars) of the HDTV set?
4.  If m = 4.9 × 1027, then
m
  =
A)
4.9
  × 1014
B) 0.7 × 1013
C) 727
D) 7 × 1013
E) 7 × 1014
5.  What is
6
7
  of
9
10
  of 70?
A) 84
B) 64
C) 54
D) 14
E) 34
6.  A watermelon that weighs
101
3
  pounds is cut into 40 equals slices. How much does each slice weigh (in pound)?
A)
11
24
 
B)
5
24
 
C)
31
120
 
D)
13
120
 
E)
19
120
 
7.  Which of the following percentage is equivalent to the fraction
0.36 + 0.94
0.65 + 1.35
 ?
A) 65%
B) 85%
C) 35%
D) 75%
E) 25%
8.  
7
11
  − 
3
10
  = ? Please express the fraction in its lowest terms.
 
9.  Half of a number is equal to 54 less than twice the number. What is the number?
10.  Express the following sum as a simple fraction in lowest terms:
1
1 × 2
  + 
1
2 × 3
  + 
1
3 × 4
  + 
1
4 × 5
  + 
1
5 × 6
  + 
1
6 × 7
 .
 



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