Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7th
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Samacheer Kalvi solutions for Mathematics Term 2 - Class 7th Tamil Nadu State Board chapter 5 - Information Processing [Latest edition]

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Chapters

Mathematics Term 2 - Class 7th Tamil Nadu State Board - Shaalaa.com

Chapter 5: Information Processing

Exercise 5.1Exercise 5.2Exercise 5.3
Exercise 5.1 [Pages 92 - 93]

Samacheer Kalvi solutions for Mathematics Term 2 - Class 7th Tamil Nadu State Board Chapter 5 Information Processing Exercise 5.1 [Pages 92 - 93]

Exercise 5.1 | Q 1 | Page 92

Match the given patterns of shapes with the appropriate number pattern and its generalization.

  Column A

Column B

(i)

(a) Sequence: 5, 9, 13, 17 ...

General form: y = 4n + 1

(ii)   (b) Sequence: 3, 4, 5, 6, ...

General form: y = x + 2

(iii) (c) Sequence: 1, 4, 9, 16 ...

General form: y = n2

(iv) (d) Sequence: 2, 4, 6, 8 ...

General form: y = 2n

(v) (e) Sequence: 4, 16, 36, 64 ...

General form: y = 4n2

Objective type questions

Exercise 5.1 | Q 2 | Page 93

Identify the correct relationship between x andy from the given table.

x 1 2 3 4 ...
y 4 8 12 16 ...
  • y = 4x

  • y = x + 4

  • y = 4

  • y = 4 × 4

Exercise 5.1 | Q 3 | Page 93

Identify the correct relationship between x and y from the given table.

x −2 −1 0 1 2 ...
y 6 3 0 −3 −6 ...
  • y = −2x

  • y = +2x

  • y = +3x

  • y = −3x

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Exercise 5.2 [Page 97]

Samacheer Kalvi solutions for Mathematics Term 2 - Class 7th Tamil Nadu State Board Chapter 5 Information Processing Exercise 5.2 [Page 97]

Exercise 5.2 | Q 1 | Page 97

Complete the Pascal’s Triangle.

Exercise 5.2 | Q 2. (i) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers.

Exercise 5.2 | Q 2. (ii) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers.

Exercise 5.2 | Q 2. (iii) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers.

Exercise 5.2 | Q 2. (iv) | Page 97

The following hexagonal shapes are taken from Pascal’s Triangle. Fill in the missing numbers.

Exercise 5.2 | Q 3 | Page 97

Complete the Pascal’s Triangle by taking the numbers 1, 2, 6, 20 as line of symmetry.

Objective type questions

Exercise 5.2 | Q 4 | Page 97

The elements along the sixth row of the Pascal’s Triangle is

  • 1, 5, 10, 5, 1

  • 1, 5, 5, 1

  • 1, 5, 5, 10, 5, 5, 1

  • 1, 5, 10, 10, 5, 1

Exercise 5.2 | Q 5 | Page 97

The difference between the consecutive terms of the fifth slanting row containing four elements of a Pascal’s Triangle is

  • 3, 6, 10, …

  • 4, 10, 20, …

  • 1, 4, 10, …

  • 1, 3, 6, …

Exercise 5.2 | Q 6 | Page 97

What is the sum of the elements of nineth row in the Pascal’s Triangle?

  • 128

  • 254

  • 256

  • 126

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Exercise 5.3 [Page 98]

Samacheer Kalvi solutions for Mathematics Term 2 - Class 7th Tamil Nadu State Board Chapter 5 Information Processing Exercise 5.3 [Page 98]

Miscellaneous Practice problems

Exercise 5.3 | Q 1 | Page 98

Choose the correct relationship between x and y from the given table.

x −2 −1 0 1 2 ...
y 4 5 6 7 8 ...
  • y = x + 4

  • y = x + 5

  • y = x + 6

  • y = x + 7

Exercise 5.3 | Q 2 | Page 98

Find the triangular numbers from the Pascal’s Triangle and colour them.

Exercise 5.3 | Q 3 | Page 98

Write the first five numbers in the third slanting row of the Pascal’s Triangle and find their squares. What do you infer?

Challenge Problems

Exercise 5.3 | Q 4. (i) | Page 98

Tabulate and find the relationship between the variables (x and y) for the following patterns.

Exercise 5.3 | Q 4. (ii) | Page 98

Tabulate and find the relationship between the variables (x and y) for the following patterns.

Exercise 5.3 | Q 5. (i) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle.

Exercise 5.3 | Q 5. (ii) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle.

Exercise 5.3 | Q 5. (iii) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle.

Exercise 5.3 | Q 5. (iv) | Page 98

Verify whether the following hexagonal shapes form a part of the Pascal’s Triangle.

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Chapter 5: Information Processing

Exercise 5.1Exercise 5.2Exercise 5.3
Mathematics Term 2 - Class 7th Tamil Nadu State Board - Shaalaa.com

Samacheer Kalvi solutions for Mathematics Term 2 - Class 7th Tamil Nadu State Board chapter 5 - Information Processing

Samacheer Kalvi solutions for Mathematics Term 2 - Class 7th Tamil Nadu State Board chapter 5 (Information Processing) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Term 2 - Class 7th Tamil Nadu State Board solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Mathematics Term 2 - Class 7th Tamil Nadu State Board chapter 5 Information Processing are Tables and Patterns Leading to Linear Functions, Pascal’s Triangle.

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