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3810017145000DAILY LESSON LOGSchoolDon Enrique Lopez National High SchoolGrade Level10TeacherJamin L. ColicotLearning AreaMathematicsTeaching Dates & TimeJune 25 – 29, 2018 10:45 – 11:45 AMQuarterIMondayTuesdayWednesdayThursdayFridayI. OBJECTIVES A. Content StandardsThe learner demonstrates understanding of key concepts of sequences. B. Performance StandardsThe learner is able to formulate and solve problems involving sequences in different disciplines through appropriate and accurate representations. C. Learning Competencies / Objectivesfind the arithmetic means between terms of an arithmetic sequence.find the arithmetic means between terms of an arithmetic sequence.determine the sum of the first n terms of a given arithmetic sequencedetermine the sum of the first n terms of a given arithmetic sequenceII. CONTENTArithmetic MeansArithmetic MeansArithmetic SeriesArithmetic SeriesIII. LEARNING RESOURCES A. References 1. Teacher’s Guide pagesp. 19p. 19pp. 19 - 20pp. 19 - 20 2. Learner’s Materials pagesp. 15p. 15pp. 15 - 17pp. 15 - 17 3. Textbook pages 4. Additional Materials from Learning Resource (LR) portal B. Other Learning ResourcesIV. PROCEDURES A. Reviewing previous lesson or presenting the new lessonLet the students review the formula in finding the nth term of arithmetic sequence.Have a review/recall on the definition of arithmetic means and the steps in determining arithmetic means.Present a real life situation which involves arithmetic series. Let the students answer the given guide questions.Let the students recall the formula in finding sum of the terms of arithmetic sequence. B. Establishing a purpose for the lessonActivity 6: What is missing? The students will determine the missing terms in the given arithmetic sequenceLet the students present their responses/answers to the given guide questions. Pose a problem involving sum of the terms of arithmetic sequence. C. Presenting examples/instances of the new lessonThe teacher will discuss the definition of arithmetic means.Discuss the definition of arithmetic series and let the students connect the concept to the given motivational activity.Discuss the solution/answer to the given problem. D. Discussing new concepts and practicing new skills #1Give illustrative examples in finding the arithmetic means.Present to the students the formula in finding the sum of the terms of arithmetic sequence.Present illustrative examples where the unknown is the sum of the terms of arithmetic sequence. E. Discussing new concepts and practicing new skills #2Activity 8: The Secret of Karl This activity will show how Karl Friedrich Gauss derived the formula in finding the sum of the terms of arithmetic sequence. It is a Think-Pair-Share activity.Present illustrative examples where the sum of the terms of arithmetic sequence is given and the unknown is whether the common difference (d) or number of terms (n) F. Developing mastery (Leads to Formative Assessment)Group Activity: Divide the class into 4 groups. Each group will be given a set of problems. Conduct practice drill by giving more illustrative examples on finding the arithmetic means. G. Finding practical applications of concepts and skills in daily livingPose real – life problems involving arithmetic meansLet the students give some real-life situation that manifested arithmetic series.Pose a real – life problem that can be solved applying the concept of arithmetic series. H. Making generalizations and abstractions about the lesson.Let the students give generalization on today’s activity and discussion.Let the students make generalizations about the steps in finding the arithmetic meansHave the students generalize the lesson/activity.Have the students generalize the lesson/activity. I. Evaluating learningGroup Activity and Oral QuestioningActivity 11: What can you insert? Finding arithmetic meansOral Questioning The formative assessment is a board work activity. The evaluation is done whenever the students participate in a board work activity. J. Additional activities for application or remediationV. REMARKSMathematics 10 is taken only for four (4) times a week with one (1 hr) per meeting. Friday is a non-meeting day with the class.VI. REFLECTION A. No. of learners who earned 80% in the evaluation B. No. of learners who require additional activities for remediation C. Did the remedial lessons work? No. of learners who have caught up with the lesson D. No. of learners who continue to require remediation. E. Which of my teaching strategies worked well? Why did these work? F. What difficulties did I encounter which my principal or supervisor can help me solve? G. What innovation or localized materials did I use/discover which I wish to share with other teachers?Checked by:JESSICA M. LUMAPASPrincipal I ................
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