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Example Problem #1-FractionPart-Whole Method• There are 125 students in a class. 2/5 of them are girls. How many girlsare in the class?• ?125• The fraction 2/5 means 2 units out of 5 units. To find the value of girls(2 units), students find 1 unit:• 5 units = 125• 1 unit = 125/5= 25• 2 units = 2 x 25 = 50• There are 50 girls in the class.11/19/2011
Example # 2- FractionComparison Method• There are ¾ as many Republicans as Democrats at theWhite House Ball. If there are 80 Democrats, howmany Republicans are there in attendance?• ?RepublicansDemocrats804 units = 801 unit= 80/4=203 units= 20 x 3 = 6011/19/2011There are 60 Republicans
Page 1 and 2: Presenters:Dr. Umesh NagarkatteLavo
Page 3 and 4: Background -• Singapore Mathemati
Page 7: 11/19/2011Mathematics Framework•
Page 12: AttitudesAttitudes here refers to t
Page 16: Comparison ModelAddition and Subtra
Page 26 and 27: Example #1-RatioComparison Method
Page 28 and 29: Example #3-RatioPart-Whole Method
Page 30 and 31: Example #2- PercentagesPart- Whole
Page 32 and 33: Model Method & ProblemSolving• Mo
Page 34 and 35: Example problem #2. A store gives 1
Page 36 and 37: Part-Whole Model in Problem solving
Page 38 and 39: Comparison Model cont’d• The pi
Page 40 and 41: Example problem #1. A couch cost 5
Page 42 and 43: Sample Question #3 High school grad
Page 44 and 45: Example Problem #4Question: Smith,
Page 46 and 47: Conclusion cont’dWordproblemProbl
Page 48 and 49: Conclusion cont’d• We conscious
Page 50: Conclusion cont’d• Moreover, th

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