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Example #2- PercentagesPart- Whole Method• If 20% of a number is 14, what is 80% of that number?142020 units =141 unit = 14/20 = 0.7100 units = 100 x 0.7 =70?8011/19/2011? 70100 units = 701 unit = 70/100 =0.780 units = 0.7 x 80 = 56
Example # 3-PercentagesComparison Method• 40% 0f 30 equal 20% of what number?4020?100 units = 301 unit = 30/100=0.340 units = 40 x 0.3 =123011/19/201112 ?20 units = 121 unit =12/20 = 0.6100 units = 0.6 x 100 = 60
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 24 and 25: Example Problem #1-FractionPart-Who
Page 26 and 27: Example #1-RatioComparison Method
Page 28 and 29: Example #3-RatioPart-Whole Method
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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