Teaching of Ratio, Rate and Differentiated Instruction
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DifferentiatedInstructionincorporating ratio, whole numbers and fractionsCourse Code: MAP114, MAP115 and MAP116Yeap Ban Haryeapbanhar@gmail.comMarshall Cavendish InstituteSlides are available atwww.banhar.blogspot.com
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| Hanusek, Jamison, Jamison & Woessmann 2008Score 1960-1970s 1980s 1990s 2000s500’s Japan Hong KongJapanKoreaHong KongJapanKoreaSingaporeHong KongJapanKoreaSingapore400’s Thailand PhilippinesSingaporeThailandMalaysiaThailandMalaysiaThailand300’s IndonesiaPhilippinesIndonesiaPhilippines
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CountryGDP per capita incurrent USD2012Singapore 60,400Malaysia 16,900Thailand 10,100Philippines 4,400Upon separation from Malaysia in 1965, Singapore wasfaced with … high levels of unemployment andpoverty. 70% of Singapore’s households lived in badlyovercrowded conditions, and a third of its peoplesquatted in slums on the city fringes. Unemploymentaveraged 14%, GDP per capita was less than $2,700,and half of the population was illiterate.
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In the 1970’s, Singapore needed a way to help students, mostof whom were not performing well in mathematics, learnmathematics.CPA Approach based on Bruner’s work and a host of otherlearning theories were applied. Today, many people refer tothis approach as Singapore Math.
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“The idea of differentiating instruction is an approach toteaching that advocates active planning for andattention to student differences in classrooms,in the context of high quality curriculums.”| www.caroltomlinson.com
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Goh’s Report (1978) recommended adifferentiated education system forSingapore.Grade 1 to 4MathematicsFoundationMathematics
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We want to make our education system evenmore student-centric, and sharpen our focusin holistic education – centred on values andcharacter development.| Heng 2011
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Differentiated instruction is reflected in the ProfessionalLearning Communities (PLC) four criticalquestions| DuFour 2004Educational LeadershipMay 2004 | Volume 61 | Number 8Schools as Learning Communities
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what is it that the teacher wantsstudents to learn
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how does a teacher know whenstudents have learnt it
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Teaching of Ratioincorporating multiplication and divisionYeap Ban Haryeapbanhar@gmail.comMarshall Cavendish InstituteSlides are available atwww.banhar.blogspot.com
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The number of boys to the number ofgirls in a group was in the ratio 2 : 3.
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The number of boys to the number ofgirls in a group was in the ratio 2 : 3.After ¼ of the boys and 69 girls leftthe group, there were 51 more girlsthan boys in the group.
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The number of boys to the number ofgirls in a group was in the ratio 2 : 3.After ¼ of the boys and 69 girls leftthe group, there were 51 more girlsthan boys in the group.
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Teaching of Rate & Speedincorporating multiplication and divisionYeap Ban Haryeapbanhar@gmail.comMarshall Cavendish InstituteSlides are available atwww.banhar.blogspot.com
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Rate SituationsIdentify three rate situations in real-life applications.
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Rate SituationsConstant RateConstant SpeedGraphical ApproachCalculus3 apples for $235 cents per pound
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