CBSEi Class 10 Sequences (AP and GP) CORE

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Activity 7 – Content (CW2) Recognising an A.P Specific objective: To recognize an A.P from given sequences. Description: This activity has been designed to make students learn the methods of recognizing an A.P out of given sequences. Students will explore two methods .The first one by finding common difference using a2 –a1 and a3-a2. Also, they would be encouraged to observe that an – an-1 is a constant in every A.P. Execution: Let students explore and investigate on their own. Distribute the worksheets and give some time for investigation. After some time, discuss the observations in groups. Parameters for assessment: Able to tell whether a given sequence is an A.P. or not Able to write the nth term of given sequence. Able to predict about the common difference, given the nth term. Extra reading: http://en.wikibooks.org/wiki/A- level_Mathematics/OCR/C2/Sequences_and_Series 17
Activity 8 – Content (CW3) Terms of an A.P Specific objective: To explore that the nth term of an A.P. is a linear expression and common difference of an A.P is free from n. Description: Students have fair idea of A.P, vocabulary related to A.P and its general term. Through this activity students will explore various other facts regarding the general term. Execution: Students will be given a worksheet containing problems based on general term of A.P. While attempting these problems students will explore the fact that the nth term of an A.P. is a linear expression. They will investigate that common difference of an A.P is always a constant. Parameters for assessment: Able to write the specified term when nth term of an A.P. is given Able to understand that linear expressions forms an A.P. Able to find that common difference of an A.P is always a constant 18
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 28 and 29: Activity 9 - Content (CW4) Problems
Page 30 and 31: Specific objective: To recognise a
Page 32 and 33: Activity 13 - Content (CW8) Problem
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
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Student’s Worksheet 1 Warm up (W1
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Student’s Worksheet 4 Pre Content
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Student’s Worksheet 5 Pre Content
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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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