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- 1. LESSON PLANSchool : SMP Negeri 3 SurabayaSubject : MathematicsGrade/Semester : IX/1Time : 4 x 40 minutes (2 meetings)A. Standard Competency2. Understanding the properties of cylinder, cone and sphere and determiningits sizeB. Basic Competency2.2 Calculating the surface area and volume of cylinder, cone, and sphereC. Indicator1. Find the formula of volume of cylinder cone and sphere2. Solve the problems related to volume of cylinder, cone and sphereD. Learning ObjectiveFirst meeting1. Students are able to find the formula of volume of cylinder and cone2. Given some problems related to volumeof cylinder and cone, the studentsare able to solve the problems correctly.Second meeting3. Students are able to find the formula of volumeof sphere4. Given some problems related to volume of sphere, the students are able tosolve the problems correctly.E. MaterialFirst meetingThe volumeof cylinder and coneSecond meetingThe volumeof sphereF. Learning ModelFirst meetingCooperative Learning (GI)
- 2. Second meetingCooperative Learning (GI)G.Learning ActivityFirst meetingIntroduction (± 5 minutes)(Phase 1: Clarify goals and establish set)1. Teacher generally presents the learning objective that is finding the formulaof volumeof cylinder and cone2. Apperception: Leads the students to recall the material that had been learnedbefore and correspond with the material that will be discussed such asvolume of prism and the area of circle.3. Motivation: Motivates the students by relating the material that beingdiscussed with real life situation, for example:“To celebrate the independences day,class IX-A will bring „tumpeng‟. Theymake a tumpeng for 25 persons. andthey estimate for each person averageneed 0,2 lrice. Calculate the height ofthe tumpeng if they will bring thetumpeng in a circle place that havediameter 6 dm”Main Activities (± 60 minutes)(Phase 2: Present information)1. Teacher reminds students about the volume of prism and circle. Then, theteacher tells to students that they are going to find the formula of volume ofcylinder and cone.(Phase 3. Organize students into learning teams)2. Teacher divides the class into 5 heterogenic groups.3. Teacher gives a worksheet to each group and asks them to do theworksheet.
- 3. 4. Teacher tells the students that after doing the worksheet they have topresent their work in front of the class.(Phase 4. Assist teamwork and study)5. Teacher assists each group as they do their worksheet.6. One of each groups presenting and explaining their group report and somestudent in other groups give comment to it7. The students and the teacher discuss about the right answer8. The teacher asks to the students about the first problem solving9. The students answer problems by their own ways(Phase 5. Test on the materials.)10. Teacher give a quiz to students to check students understandingClosure (± 15 minutes)(Phase 6: Provide recognition)11. Teacher gives feedback and appreciates the result of every group.12. Teacher gives a reward to the best group that has the best score.13. Teacher give home work to the students.Second meetingIntroduction (± 5 minutes)(Phase 1: Clarify goals and establish set)1. Teacher generally presents the learning objective that is finding the formulaof surface area of sphere2. Apperception: Leads the students to recall the material that had beenlearned before and correspond with the material that will be discussed suchas the area of circle.3. Motivation: Motivates the students by relating the material that beingdiscussed with real life situation, for example: volume of earth
- 4. Main Activities (± 60 minutes)(Phase 2: Present information)4. Teacher reminds students about the volume of cone. Then, the teacher tellsto students that they are going to find the formula of volume of sphere(Phase 3. Organize students into learning teams)5. Teacher divides the class into 5 heterogenic groups.6. Teacher gives a worksheet to each group and asks them to do theworksheet.7. Teacher tells the students that after doing the worksheet they have topresent their work in front of the class.(Phase 4. Assist teamwork and study)8. Teacher assists each group as they do their worksheet.9. One of each groups presenting and explaining their group report and somestudent in other groups give comment to it10. The students and the teacher discuss about the right answer11. The teacher asks to the students about the first problem solving12. The students answer problems by their own ways(Phase 5. Test on the materials.)13. Teacher give a quiz to students to check students understandingClosure (± 15 minutes)(Phase 6: Provide recognition)14. Teacher gives feedback and appreciates the result of every group.15. Teacher gives a reward to the best group that has the best score.16. Teacher give home work to the students.H.SourceContextual teaching and learning for 9thgrade, BSEI.AssessmentGroup Assessment : Participation, worksheet
- 5. ASESMENT RUBRICLEVEL CRITERIA NOTES4SuperUnderstanding the plan to determine the volume ofcone formula based on volume of cylinder moreMeasuring cylinder and cone correctly at allWriting and counting to determine the volume ofcone formula is correctly and liable to followedDescribe the steps to solve problem in right orderand correctlySolid teamwork.Writing the report of worksheet creative moreGood presenting the team product and answering allquestions well.3GoodUnderstanding the plan to determine the volume ofcone formula based on volume of cylinderMeasuring cylinder and cone most correctlyWriting and counting to determine the volume ofcone formula is effectivelyDescribe the steps to solve problem correctlyGood teamwork.Writing the report of worksheet creativeGood presenting the team product and answeringmost questions well.2IntermediateUnderstanding some the plan to determine thevolume of cone formula based on volume of cylinderMeasuring cylinder and cone some correctlyWriting and counting to determine the volume ofcone formula is effectively enoughDescribe some the steps to solve problem correctlyOrdinary teamwork.Writing the report of worksheet creative enoughPresenting the team product and answer somequestions.
- 6. 1BadUnderstanding little bit the plan to determine thevolume of cone formula based on volume of cylinderMeasuring cylinder and cone doesn’t correctlyWriting and counting to determine the volume ofcone formula is not gratifyingDoesn’t describe the steps to solve problem correctlyBad teamwork.Writing the report of worksheet doesn’t creativeBad presenting the team product and doesn’t answermost questions.
- 7. SCORING CARDNum. Criteria 4 3 2 1 Notes1Understanding the plan to determinethe volume of cone formula based onvolume of cylinder2 Measuring cylinder and cone3Writing and counting to determine thevolume of cone formula4 Describe the steps to solve problem5 Teamwork6Creativity writing the report ofworksheet7 Presentation and answer questionsRange of values :23 – 28 : A17 – 22 : B12 – 16 : C7 – 11 : D

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