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Problem-Solving Heuristics for Primary 3 Primary 4 Yeap Ban Har

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Problem-Solving Heuristics for Primary 3 Primary 4 Yeap Ban Har

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    2. singapore curriculum framework MATHEMATICAL PROBLEM SOLVING

    4. rationale The rationale of teaching mathematics is that it is “an excellent vehicle for the development and improvement of a person’s intellectual competence”.

    5. What is Problem Solving?

    8. education

    25. A show started at 10.55 a.m. and ended at 1.30 p.m. How long was the show in hours and minutes? PSLE

    28. Cup cakes are sold at 40 cents each. What is the greatest number of cup cakes that can be bought with $95? ?$95 ÷ 40 cents = 237.5 Answer: 237 cupcakes PSLE

    30. 1 + 2 + 3 + 4 + 5 + … + 95 + 96 + 97 The first 97 whole numbers are added up. What is the ones digit in the total? Challenging Items: Novel

    31. 1 + 2 + 3 + 4 + 5 + … + 95 + 96 + 97 The first 97 whole numbers are added up. What is the ones digit in the total? Challenging Items: Novel

    32. 1 + 2 + 3 + 4 + 5 + … + 95 + 96 + 97 The first 97 whole numbers are added up. What is the ones digit in the total? Challenging Items: Novel

    33. 1 + 2 + 3 + 4 + 5 + … + 95 + 96 + 97 The first 97 whole numbers are added up. What is the ones digit in the total? The method is difficult to communicate in written form. Hence, the problem is presented in the MCQ format where credit is not given for written method. Challenging Items: Novel

    42. PSLE

    47. Siti packs her clothes into a suitcase and it weighs 29 kg. Rahim packs his clothes into an identical suitcase and it weighs 11 kg. Siti’s clothes are three times as heavy as Rahim’s clothes. What is the mass of Rahim’s clothes? What is the mass of the suitcase? Model Method Helps Visualization

    54. At first Shop A had 156 kg of rice and Shop B had 72 kg of rice. After each shop sold the same quantity of rice, the amount of rice that Shop A had was 4 times that of Shop B. How many kilograms of rice did Shop A sell? Model Method Helps in Visualization

    55. At first Shop A had 156 kg of rice and Shop B had 72 kg of rice. After each shop sold the same quantity of rice, the amount of rice that Shop A had was 4 times that of Shop B. How many kilograms of rice did Shop A sell? Model Method Helps in Visualization

    56. At first Shop A had 156 kg of rice and Shop B had 72 kg of rice. After each shop sold the same quantity of rice, the amount of rice that Shop A had was 4 times that of Shop B. How many kilograms of rice did Shop A sell? Model Method Helps in Visualization

    57. At first Shop A had 156 kg of rice and Shop B had 72 kg of rice. After each shop sold the same quantity of rice, the amount of rice that Shop A had was 4 times that of Shop B. How many kilograms of rice did Shop A sell? Model Method Helps in Visualization

    59. Siti started saving some money on Monday. On each day from Tuesday to Friday, she saved 20 cents more than the amount she saved the day before. She saved a total of $6 from Monday to Friday. How much money did she save on Monday? Model Method

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