LESSON PLAN 2: INDUCTIVE THINKING MODELNAME OF THE TEACHER:VINO RAJ N NAME OF THE SCHOOL:ST.JOHNS MODEL HSS SUBJECT :MATHEMATICS UNIT :STATISTICS SUB UNIT :ARITHMETIC MEAN STANDARD : IX B STRENGTH: 34 DATE: TIME:9:30-10:15 PERIOD: I CURRICULAR OBJECTIVE To enable the students to compute arithmetic mean CONTENT ANALYSIS CONCEPT TERMS FACTS PROCESS : To compute the arithmetic mean : Data, Arithmetic mean : Data is distinct information that is formatted in special way Arithmetic mean is defined as the sum of observation divided by number of observation : The process of finding arithmetic mean of observation INSTRUCTIONAL OBJECTIVES Remembering Understanding Recognizing Interpreting Recalling Exemplifying Classifying Summarizing Inferring Comparing Explaining Applying Analyzing Executing Differentiating Implementing Organizing PRE-REQUISITES The students must have previous knowledge about data. TEACHING AIDS Evaluating Checking Critiquing Creating Generating Planning Producing 1. Common class room aids 2. Chart TEACHING METHOD: INDUCTIVE THINKING MODEL LEARNING PROCESS Test the previous knowledge regarding the average of numbers. Teacher give the following activity Activity 1: Teacher asks the students to solve the questions related to average FIND IT Numbers 1 1,2 1,2,6 1,2,3,4 Sum of observations 1 Average The teacher asks students to answer Student: 1 1+2 2 = 1.5 1+2+6 =3 3 1+2+3+6 4 =3 PHASE AND THEIR STEPS To find out a general formula for the A.M of a numbers , the teacher consider the first question let us find it algebraically Tr: How many numbers are there in case 1 St: One Tr: Ok, then how we can calculate the average St: ∑ of observati ons number of observations Tr: what about the average in first case St: One Tr: How we reach the answer can you explain it St: 1 1 =1 Tr: If I denote first observation is x1 , then tell me the average for first case St: x1 1 = x1 Tr: Good, can you tell the average in second case? St: 1+2 2 =1.5 Tr: If I denote the first and observations are x1 and x2 respectively St: x 1+ x 2 2 Grouping Tr: Very good Teacher shows an activity chart Numbers Average X1 X1,X2 X1 x 1+ x 2 2 X1,X2,X3 X1,X2,X3,X4 Tr: Try to find out the average of X1,X2 and X3 St: x 1+ x 2+ x 3 3 Tr: Good, Then complete the chart Numbers Average X1 X1,X2 X1 x 1+ x 2 2 X1,X2,X3 x 1+ x 2+ x 3 3 X1,X2,X3,X4 x 1+ x 2+ x 3+ x 4 4 Teacher asks students can you find the average for numbers say X1,X2,X3,…..Xn Labelling St: Average= x 1+ x 2+ x 3 … .+ xn n Tr: What can you conclude from this? St:Average of n numbers is obtained is sum of observations divided by number of observations. Tr: Now you can understand the formula. Try to find out the average of numbers 5, 7,9,11. St: Average= 5+ 7+9+11 4 = 32 4 Explaining Generating =8 Phase 3: Application of generalisation ASSIGNMENT Find the average of numbers 67,76,78,87,90,89