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Case Study Questions for Class 8 Maths
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Here in this article, we are providing case study questions for class 8 maths.
Maths Class 8 Chapter List
Latest chapter list (2023-24).
Chapter 1 Rational Numbers Chapter 2 Linear Equations in One Variable Chapter 3 Understanding Quadrilaterals Chapter 4 Data Handling Chapter 5 Squares and Square Roots Chapter 6 Cubes and Cube Roots Chapter 7 Comparing Quantities Chapter 8 Algebraic Expressions and Identities Chapter 9 Mensuration Chapter 10 Exponents and Powers Chapter 11 Direct and Indirect proportions Chapter 12 Factorisation Chapter 13 Introduction to Graphs
Old Chapter List
Chapter 1 Rational Numbers Chapter 2 Linear Equations in One Variable Chapter 3 Understanding Quadrilaterals Chapter 4 Practical Geometry Chapter 5 Data Handling Chapter 6 Squares and Square Roots Chapter 7 Cubes and Cube Roots Chapter 8 Comparing Quantities Chapter 9 Algebraic Expressions and Identities Chapter 10 Visualising Solid Shapes Chapter 11 Mensuration Chapter 12 Exponents and Powers Chapter 13 Direct and Indirect proportions Chapter 14 Factorisation Chapter 15 Introduction to Graphs Chapter 16 Playing with Numbers
Tips for Answering Case Study Questions for Class 8 Maths in Exam
1. Comprehensive Reading for Context: Prioritize a thorough understanding of the provided case study. Absorb the contextual details and data meticulously to establish a strong foundation for your solution.
2. Relevance Identification: Pinpoint pertinent mathematical concepts applicable to the case study. By doing so, you can streamline your thinking process and apply appropriate methods with precision.
3. Deconstruction of the Problem: Break down the complex problem into manageable components or steps. This approach enhances clarity and facilitates organized problem-solving.
4. Highlighting Key Data: Emphasize critical information and data supplied within the case study. This practice aids quick referencing during the problem-solving process.
5. Application of Formulas: Leverage pertinent mathematical formulas, theorems, and principles to solve the case study. Accuracy in formula selection and unit usage is paramount.
6. Transparent Workflow Display: Document your solution with transparency, showcasing intermediate calculations and steps taken. This not only helps track progress but also offers insight into your analytical process.
7. Variable Labeling and Definition: For introduced variables or unknowns, offer clear labels and definitions. This eliminates ambiguity and reinforces a structured solution approach.
8. Step Explanation: Accompany each step with an explanatory note. This reinforces your grasp of concepts and demonstrates effective application.
9. Realistic Application: When the case study pertains to real-world scenarios, infuse practical reasoning and logic into your solution. This ensures alignment with real-life implications.
10. Thorough Answer Review: Post-solving, meticulously review your answer for accuracy and coherence. Assess its compatibility with the case study’s context.
11. Solution Recap: Before submission, revisit your solution to guarantee comprehensive coverage of the problem and a well-organized response.
12. Previous Case Study Practice: Boost your confidence by practicing with past case study questions from exams or textbooks. This familiarity enhances your readiness for the question format.
13. Efficient Time Management: Strategically allocate time for each case study question based on its complexity and the overall exam duration.
14. Maintain Composure and Confidence: Approach questions with poise and self-assurance. Your preparation equips you to conquer the challenges presented.
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CBSE Class 8th Maths Value Based Questions Chapter 5 Data Handling PDF Download
CBSE Class 8th Maths Value Based Questions Chapter 5 Data Handling are the easiest questions which you see in your question paper and the scoring one all student who attempt it surely get they are just little bit difficult and examine your basic knowledge regarding the particular chapter. Maths Value Based Questions for Class 8th are available here at Free of cost. These questions are expected to be asked in the Class 8th board examination. These Maths Value Based Questions are from complete CBSE Syllabus.
CBSE Class 8th Maths Value Based Questions Chapter 5 Data Handling
Most of these Maths Value Based Questions are quite easy and students need only a basic knowledge of the chapter to answer these questions. Download CBSE Maths Value Based Questions for board examinations. These Maths Value Based Questions are prepared by Directorate of Education, Delhi.
CBSE Maths Value Based Questions Class 8th Chapter 5 Data Handling PDF
The purpose of the Maths Value Based Questions is to make students aware of how basic values are needed in the analysis of different situations and how students require to recognize those values in their daily lives. Some questions are subject related. But even if they are not, that one-minute awareness of what we write about value without any specific preparation is a good step indeed.
CBSE Maths Value Based Questions for Class 8th Chapter 5 Data Handling download here in PDF format. The most CBSE Maths Value Based Questions for annual examination are given here for free of cost. The additional questions for practice the Class 8th exam are collected from various sources. It covers questions asked in previous year examinations.
CBSE Maths Value Based Questions for Class 8th Chapter 5 Data Handling Free PDF
Class 8th books have many questions. These questions are regularly asked in exams in one or other way. Practising such most CBSE Maths Value Based Questions Chapter 5 Data Handling certainly help students to obtain good marks in the examinations.
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- CBSE Maths Important Questions
- Class 8 Maths
- Chapter 5: Data Handling
Important Questions Class 8 Maths Chapter 5 Data Handling
Important questions with solutions for class 8 Maths chapter 5-Data handling are provided by our subject experts according to the latest CBSE syllabus . These questions have been given in reference with NCERT book for students to help them score good marks in the final board exam .
In this chapter, students will understand the significance of data and its management in small and large industries. Also, they will learn to represent a set of data in a pictorial form or tabular form. Let us see some crucial questions based on it. Also, find the important questions for all the chapters for class 8 Maths at BYJU’S.
Important Questions with Solutions for Class 8 Maths Chapter 5 (Data Handling)
Q.1: The weekly wages (in Rs.) of 30 workers in a factory are: 830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840.
Using tally marks, make a frequency table with intervals as 800 – 810, 810 – 820 and so on.
Solution: The frequency table with intervals as 800 – 810, 810 – 820 and so on, using tally marks is given below:
Q.2: The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following:
(i) For how many hours did the maximum number of students watch T.V.?
(ii) How many students watched TV for less than 4 hours?
(iii) How many students spent more than 5 hours watching TV?
(i) 32 students watched T.V for 4-5 hours.
Therefore, the maximum number of students who watched T.V. for 4 – 5 hours.
(ii) The number of students who watched T.V. less than 4 hours = 22 + 8 + 4 = 34
(iii) The number of students who spent more than 5 hours watching TV = 8 + 6 = 14
Q.3: A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining pie chart shows the findings of this survey. From this pie chart, answer the following:
(i) If 20 people liked classical music, how many young people were surveyed?
(ii) Which type of music is liked by the maximum number of people?
(iii) If a cassette company were to make 1000 CD’s, how many of each type would they make?
(i) 10% represents 20 people.
⟹100% represents = (100 x 20)/10 = 200
Therefore, 200 people were surveyed.
(ii) Since 40% of the total people surveyed liked light music and no other form of song liked more than that, we can conclude that the maximum number of people likes light music.
(iii) CD’s of classical music = (10 x 1000)/100 = 100
CD’s of semi-classical music = (20 x 1000)/100 = 200
CD’s of light music = (40 x 1000)/100 = 400
CD’s of folk music = (30 x 1000)/100 = 300
Q.4: The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.
(i) In which subject did the student score 105 marks?
(ii) How many more marks were obtained by the student in Mathematics than in Hindi?
(iii) Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi.
(i) The student scored 105 marks in Hindi.
(ii) Marks obtained in Mathematics = 135 Marks obtained in Hindi = 105
Difference = 135 – 105 = 30
Thus, 30 more marks were obtained by the student in Mathematics than in Hindi.
(iii) The total marks obtained in Social Science and Mathematics = 97.5 + 135 = 232.5
The total marks obtained in Science and Hindi = 120 + 105 = 225
Therefore, the sum of the marks in Social Science and Mathematics is more than that in Science and Hindi.
Q.5: The number of students in a hostel, speaking different languages is given below. Display the data in a pie chart.
The pie-chart for the above data will be:
Q.6: When a die is thrown, list the outcomes of an event of getting:
(a) a prime number
(b) not a prime number
(a) a number greater than 5
(b) a number not greater than 5.
(a) Outcomes of the event to get a prime number are 2, 3 and 5.
(b) Outcomes of an event of not getting a prime number are 1, 4 and 6.
(a) Outcomes of the event of getting a number greater than 5 are 6.
(b) Outcomes of the event of not getting a number greater than 5 are 1, 2, 3, 4 and 5.
Q.7: Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of:
(i) getting a number 6?
(ii) getting a number less than 6?
(iii)getting a number greater than 6?
(iv)getting a 1-digit number?
(i) The outcome of getting a number 6 from ten separate slips is one.
Therefore, the probability of getting a number 6 = 1/10
(ii) Numbers which are less than 6 are 1, 2, 3, 4 and 5. So total there are five numbers. Thus, there are 5 outcomes.
Therefore, the probability of getting a number less than 6 = 5/10 = ½
(iii) The number is greater than 6 out of ten that are 7, 8, 9, 10. So there are 4 possible outcomes.
Therefore, the probability of getting a number greater than 6 = 4/10 = ⅖
(iv) One digit numbers out of 1 to 10 are 1, 2, 3, 4, 5, 6, 7, 8, 9.
Therefore, the probability of getting a 1-digit number = 9/10
Q.8: If you have a spinning wheel with 3 green sectors, 1 blue sector and 1 red sector, what is the probability of getting a green sector? What is the probability of getting a non-blue sector?
Solution: A total of five sectors are present. Out of the five sectors, three sectors are green.
Therefore, the probability of getting a green sector = ⅗
Out of the five sectors, one sector is blue.
Hence, Number of Non-blue sectors = 5 – 1 = 4 sectors
Therefore, the probability of getting a non-blue sector will be equal to 4/5.
Also check:
- Important 2 Marks Question For Cbse Class 8 Maths
- Important 3 Marks Questions For Cbse Class 8 Maths
- Important 4 Marks Questions For Cbse Class 8 Maths
Extra Questions For Class 8 Maths Data Handling
Solve these extra questions given below, to check your skills for this particular chapter.
- Black cards
- When a die is thrown, what is the probability of getting a prime number?
- Draw a Bar Graph for the given data:
4. Construct a pie chart for the given data:
5. If you have a spinning wheel with 3 green sectors, 1 blue sector and 1 red sector, what is the probability of getting a green sector? What is the probability of getting a non-blue sector?
6. Which of the following need a histogram to show the data? (i) The number of letters for different areas in a postman’s bag. (ii) The height of competitors in an athletics meet. (iii) The number of cassettes produced by 5 companies. (iv) The number of passengers boarding trains from 7 a.m to 7 p.m at a station.
7. When a die is thrown, list out the outcomes of an event that shows (i) (a) a prime number (b) not a prime number (ii) (a) a number greater than 5 (b) a number not greater than 5
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