CBSEi Class 10 Sequences (AP and GP) CORE

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9. Find the sum of all odd integers from 3 to 450, which are divisible by 3. Odd integers from 3 to 450 which are divisible by 3………… 10. The sum of 3 rd and 7 th terms of an A.P. is 6 and their product is 8. Find the sum of first 16 terms. 117
Parameters of assessment Self Assessment Rubric 16 Content Worksheet (CW11) Able to find the sum of first n terms of an A.P. when first term and common difference is given. Able to find the sum of first n terms of an A.P. when first term, second term and last term is given. Able to find the sum of first n terms of an A.P. when any two of its terms are given. Able to find the sum of first n terms of an A.P. under given condition. 118
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CBSE-i Mathematics Arithmetic Progr
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The CBSE-International is grateful
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ACKNOWLEDGEMENTS Advisory Conceptua
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CContent Worksheet CW7 22 General T
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Introduction to Arithmetic Syllabus
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Mozart the finest musician of the w
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Teacher’s Note The teaching of Ma
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ealise that if general term is give
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Activity skill Matrix Activity Skil
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Activity 1 - Warm Up (W1) Recognisi
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Activity 3 - Warm Up (W3) Designs a
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Activity 5 - Pre Content (P2) Visua
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Activity 7 - Content (CW2) Recognis
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Activity 9 - Content (CW4) Problems
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Specific objective: To recognise a
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Activity 13 - Content (CW8) Problem
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Activity 15 - Content (CW10) Hands
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Activity 17 - Post Content (PCW1) A
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Able to write general term when any
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Teachers’ Rubric for Summative As
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Able to find the sum of given numbe
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STUDY MATERIAL 35
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(v) (vi) Area of 3 rd square = = ,
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(vi) Area of fourth square = Simila
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(iii) 1, 2, 4, 8, ______________ (i
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(ii) 54 = 54 18 = = 54 3 6 = = 18 3
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The fixed number is called the comm
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- = = = = Thus, it is not an AP (Wh
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is called the general term of an AP
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or, 185 = 40 + 25n 25 or, 25n = 250
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The fixed number is called the comm
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Here a = 2 6 ( 2) = 3 18 ( 6) = 3 5
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Example 18 : Find 8 th term of the
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or, = or, a = = i.e., the first ter
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Thus, the sum of first n terms of a
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Sn = [2a + (n 1)d] S50 = [2x1 + (50
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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
Page 84 and 85: Student’s Worksheet 5 Pre Content
Page 86 and 87: Student’s Worksheet 6 Content Wor
Page 88 and 89: Parameters of assessment Self Asses
Page 90 and 91: 2. Investigation : For which of the
Page 94 and 95: 2. Which of the following expressio
Page 98 and 99: 5. Given a sequence 6, 11, 16, 21,
Page 100 and 101: 11. 12. Can Can 91
Page 102 and 103: Student’s Worksheet 10 Content Wo
Page 104 and 105: Step 6 Take the strip of dimension
Page 106 and 107: Parameters of assessment Self Asses
Page 108 and 109: a 3. Take the suitable value for fi
Page 114 and 115: 5. Find a G.P. whose 3 rd and 6 th
Page 118 and 119: 5. Visit the link http://betterexpl
Page 122 and 123: Self Assessment Rubric 15 Content W
Page 124 and 125: 3. Find the sum of first n odd natu
Page 128 and 129: PCW1 (Assignment) : Post Content Wo
Page 130 and 131: 5. General term of an A.P. is alway
Page 132 and 133: PCW4 Framing questions Using the gi
Page 134 and 135: PCW5 Hands on activity Aim: To veri
Page 136 and 137: Suggested videos and Extra readings
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CBSEi Class 10 Sequences (AP and GP) CORE

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