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Subject:Mathematical LiteracyTOPIC:PercentagesGRADE:10TIME:45 minutesLESSON OUTCOMES: SKILLS: The learners will be able to…Convert fractions into percentages and vice versa.Convert decimals into percentages and vice versa.Identify a percentage, fraction and a decimal.KNOWLEDGE:The learners will be able to…Define what a percentage is.Distinguish between a fraction, a decimal and a percentage.Know the difference between increase and decrease.Determine by what percent a value has increased or decreased.Calculate different percentages.Calculate different values from percentages.ATTITUDE’S AND VALUES:The learners will be able to….Understand that percentages are used in every day life.See the importance of percentages and how to use it. INTRODUCTION:I will show a video clip to the learners on percentages, test their prior knowledge and recap on what a percentage is. ( 5 minutes)See annexure A and B.TEACHERS ACTIONSLEARNER ACTIVITIESKEY CONCEPTSASSESSMENT STRATEGIESRESOURCESESTIMATED TIMEI will explain to the learners how to convert fractions into percentages with examples included.I will explain to the learners how to convert percentages into a decimal with examples included.I will explain to the learners how to calculate a percentage of a value.I will explain to the learners how to increase a value with a certain percentage.I will explain to the learners how a value decreases by a certain percentage. I will explain to the learners how a percentage changes a value.I will explain to the learners how to determine an original value by adding or subtracting a percentage.I will give the learners a class activity to do and we will work together as a group to calculate the answers.The learners will be taking notes and answer questions if asked.The learners will be taking notes and answer questions if asked.The learners will be taking notes and answer questions if asked.The learners will be taking notes and answer questions if asked.The learners will take notes and answer questions if asked.The learners will take notes and answer questions if asked.The learners will be taking notes and answer questions if asked.The learners will give answers to the questions asked.See Annexure C.See Annexure C.See Annexure C.See Annexure C.See annexure C.See Annexure C.See Annexure C.See Annexure D and E.Oral assessmentOral assessment.Oral assessment.Oral assessment..Oral assessment.Oral assessment.Oral assessment.Oral assessment, activity and worksheet.Power point presentation PaperVideo on PercentagesInformation, questions and activities from textbook.PicturesWhite board2 minutes2 minutes3 minutes2 minutes2 minutes5minutes5minutes14 minutesCLOSURE:I will hand out a worksheet which they can start in class and finish for homework. See annexure F and G. 5 minutesHOMEWORK : Annexure F and G.ASSESSMENT : Informal assessmentREFLECTION :ANNEXURE APossible questions and answers : What is a percentage?Anything out of a hundred.What percent is 58 out of 100?58 ÷ 100 x 100 = 58%What is a fraction and give an example?Any definition suitable will do and any example given that is correct will do.What is a decimal?Any definition suitable will do and an example will do.How do you calculate the percentage of a value?You take the percentage and divide it by a hundred and then you multiply it with the value given.How much will the deposit you have to pay on a car be if the percentage that you have to pay is ten percent of R125 000?R12?500How much will the value increase it R350 increases by 20% ?It will increase by R70How much will the value decrease if R350 decreases by 20 % ?It will decrease by R70By how much did R159 decrease if the new price is R79 ?R80What is the percentage that the original price decreased by? 50, 3%By how much did R159 increase if the new price is R199 ?R40What is the percentage that the original price increased by ?25, 2%What was the original price if the discounted price is R49, 20 and it was discounted by 40% ? R82ANNEXURE B1905097155 CANNEXURE DANNEXURE EANNEXURE F -296545113030ANNEXURE GWORKSHEET MEMORANDUMCONVERT DECIMAL TO PERCENT :1, 55 = 1, 55 x 100 = 155%0, 4 = 0, 4 x 100 = 40%0 , 963 = 0, 963 x 100 = 96, 3%0, 86 = 0, 86 x 100 = 86%1, 89 = 1, 89 x 100 = 189%0, 521 = 0, 521 x 100 = 52, 1%CONVERT PERCENT TO DECIMAL :184% = 184% ÷ 100% = 1, 8435% = 35% ÷ 100% = 0, 3529, 2% = 29, 2% ÷ 100% = 0, 29283% = 83% ÷ 100% = 0, 8334, 2% = 34, 2% ÷ 100% = 0, 342144% = 144% ÷ 100% = 1, 44CONVERT DECIMAL TO FRACTION :0, 91 = 911001, 87 = 1871000, 723 = 72310001,35 = 17200, 44 = 11250, 61 = 61100CONVERT FRACTION TO DECIMAL1810 = 1, 8320 = 0, 151710 = 1, 7450 = 0, 0858 = 0, 6253925 = 1, 56CONVERT FRACTION TO PERCENT :316 = 3 ÷ 16 X 100 = 18, 75%320 = 3 ÷ 20 X 100 = 15%1420 = 14 ÷ 20 X 100 = 70%810 = 8 ÷ 10 X 100 = 80%3320 = 33 ÷ 20 X 100 = 165%120 = 1 ÷ 20 X 100 = 5%CONVERT PERCENT TO FRACTION :96, 2% = 96.21007% = 710024, 2% = 24.210061, 3% = 61.310089% = 89100106% = 1061001029703-264695Faculty name : Faculty of EducationStudent name & surname :Shano ZeelieStudent number :212218077Course :B Ed – FETModule name :Mathematical Literacy MethodModule code :POSD441Task :Mathematical Literacy Crit LessonLecturer’s name :Dr. L. WebbDate :18 February 2015 ................
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