CBSEi Class 10 Sequences (AP and GP) CORE

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Step 6 Take the strip of dimension 10cmX2cm and paste it adjacent to the previous strip without leaving any gap. Step 7 Similarly take the strip of dimension 13cmX2cm and paste it adjacent to the previous one as shown below. Step 8 Take a thread and check the difference of heights between two consecutive rectangular strips. Step 9 Write the observations. 95
Repeat the activity for the second sequence and write the result . Answer the following questions: 1. Write a sequence which is an A.P. 2. What is the common difference of the sequence -2 , 0,2,4,6,…… 3. Is 3,3,3,3,3……………… an A.P. ? 4. What is the common difference of a sequence of multiples of 100 ? 5. Is the sequence of odd natural numbers an A.P.? 6. Check whether sequence having nth term 2n+3 will be an A.P. or not? 7. Write a sequence having common difference 7. 8. Check whether the given sequence is an A.P. or not. If it is an A.P. find the common difference i) 10 , 10 , 10, 10…… ii) 1, -1, 1, -1, ... 96
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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
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
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 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 126 and 127: 9. Find the sum of all odd integers
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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