CBSEi Class 10 Sequences (AP and GP) CORE

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5. Given a sequence 6, 11, 16, 21, ...... Is it an A.P.? Can 112 be a term of this sequene? Explain your answer with justification. 6. How many terms are there in the sequence of multiples of 7 from 21 to 343? 7. The 10 th term of an A.P. is 52 and the 17 th term is 20 more than the 13 th term. Can you find the A.P.? Explain your answer. 89
8. Two A.P.’s have the same common difference. The common difference between their 50 th terms is 1089. What is the common difference between their 500 th terms? 9. Which term of the A.P. 90, 88, 86, 84, .... is 0? Write the next four terms after 0. 10. Which term of the A.P. -18, -16, -14, .... is 0? Write the next four terms after 0. 90
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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 = = ,
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
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 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 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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