CBSEi Class 10 Sequences (AP and GP) CORE

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Activity 13 – Content (CW8) Problems on G.P. Specific objective: To apply the knowledge of G.P. in problem solving. Description: This is a problem worksheet which focuses on the application of knowledge of general term in finding the unknown variable. Execution: The worksheet may be given to students as an assignment. Students can be given prescribed tome to complete the assignment. Problems of the assignment can be discussed in the class after checking the assignment. Various problem solving strategies used by the students can be discussed in the class. Parameters for assessment: Able to find the specified term of an G.P. 23
Activity 14 – Content (CW9) Sum of n Terms of an A.P Specific objective: To find the sum of first n terms of an A.P Description: Through this activity sheet, students will find the formula for the sum of first n terms of an A.P. A few steps are given as a hint. Execution: Initiate the discussion with students on how Gauss found the sum of first <strong>10</strong>0 natural numbers. Proceeding further, students will be asked to find the formula for the sum of first n terms of an A.P using the clues given in the worksheet. Further, they would be asked to find the solutions of problems using the formulae. Parameters for assessment: Able to find the formulae for finding the sum of first n terms of an A.P. Extra reading: http://www.mathalino.com/reviewer/derivation-of- formulas/derivation-of-sum-of-arithmetic-progression 24
Page 1: CBSE-i Mathematics Arithmetic Progr
Page 4 and 5: The CBSE-International is grateful
Page 6 and 7: ACKNOWLEDGEMENTS Advisory Conceptua
Page 8 and 9: CContent Worksheet CW7 22 General T
Page 10 and 11: Introduction to Arithmetic Syllabus
Page 12 and 13: Mozart the finest musician of the w
Page 14 and 15: Teacher’s Note The teaching of Ma
Page 16 and 17: ealise that if general term is give
Page 18 and 19: Activity skill Matrix Activity Skil
Page 20 and 21: Activity 1 - Warm Up (W1) Recognisi
Page 22 and 23: Activity 3 - Warm Up (W3) Designs a
Page 24 and 25: Activity 5 - Pre Content (P2) Visua
Page 26 and 27: Activity 7 - Content (CW2) Recognis
Page 28 and 29: Activity 9 - Content (CW4) Problems
Page 30 and 31: Specific objective: To recognise a
Page 34 and 35: Activity 15 - Content (CW10) Hands
Page 36 and 37: Activity 17 - Post Content (PCW1) A
Page 38 and 39: Able to write general term when any
Page 40 and 41: Teachers’ Rubric for Summative As
Page 42 and 43: Able to find the sum of given numbe
Page 44 and 45: STUDY MATERIAL 35
Page 46 and 47: (v) (vi) Area of 3 rd square = = ,
Page 48 and 49: (vi) Area of fourth square = Simila
Page 50 and 51: (iii) 1, 2, 4, 8, ______________ (i
Page 52 and 53: (ii) 54 = 54 18 = = 54 3 6 = = 18 3
Page 54 and 55: The fixed number is called the comm
Page 56 and 57: - = = = = Thus, it is not an AP (Wh
Page 58 and 59: is called the general term of an AP
Page 60 and 61: or, 185 = 40 + 25n 25 or, 25n = 250
Page 62 and 63: The fixed number is called the comm
Page 64 and 65: Here a = 2 6 ( 2) = 3 18 ( 6) = 3 5
Page 66 and 67: Example 18 : Find 8 th term of the
Page 68 and 69: or, = or, a = = i.e., the first ter
Page 70 and 71: Thus, the sum of first n terms of a
Page 72 and 73: Sn = [2a + (n 1)d] S50 = [2x1 + (50
Page 74 and 75: Example 28: The sum of first 22 ter
Page 76 and 77: Student’s Worksheet 1 Warm up (W1
Page 82 and 83:
Student’s Worksheet 4 Pre Content
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Student’s Worksheet 5 Pre Content
Page 86 and 87:
Student’s Worksheet 6 Content Wor
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Parameters of assessment Self Asses
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2. Investigation : For which of the
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2. Which of the following expressio
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5. Given a sequence 6, 11, 16, 21,
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11. 12. Can Can 91
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Student’s Worksheet 10 Content Wo
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Step 6 Take the strip of dimension
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Parameters of assessment Self Asses
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a 3. Take the suitable value for fi
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5. Find a G.P. whose 3 rd and 6 th
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5. Visit the link http://betterexpl
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Self Assessment Rubric 15 Content W
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3. Find the sum of first n odd natu
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9. Find the sum of all odd integers
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PCW1 (Assignment) : Post Content Wo
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5. General term of an A.P. is alway
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PCW4 Framing questions Using the gi
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PCW5 Hands on activity Aim: To veri
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Suggested videos and Extra readings
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CBSEi Class 10 Sequences (AP and GP) CORE

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