Data Handling – Class 4 Maths Chapter 14 Notes & NCERT PDF

Class 4MathematicsChapter 14NCERT book: Maths Mela - Class 4

Notes and a simple summary of Chapter 14 of the NCERT Class 4 Mathematics book, with the official chapter PDF, flashcards, an MCQ quiz and an AI tutor for your doubts.

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Chapter 14: Data Handling

Introduction

"Data Handling" is the last chapter of Maths Mela Class 4. Children learn how to ask a good question, collect answers (data), organise them in a table and read pictures and pictographs to answer questions. The chapter follows Rohan and Anjali as they survey their grade, record ice golas at lunch time and count snacks at a Bal Mela.

What's in this Chapter

Asking the right question – Rohan asks, "Which subjects do you like?" and gets long lists. Anjali asks, "Which subject do you like the most?" and gets one answer from each child. Children discuss why Anjali's question is better for finding the most-liked subject.

Recording responses – They record 45 children's answers using M for Mathematics, L for Languages, T for The World Around Us, A for Arts and P.E. for Physical Education. Counting the list gives:

  • Physical Education – 11
  • Mathematics – 10
  • Arts – 9
  • Languages – 8
  • The World Around Us – 7

    • So Physical Education is the most common favourite and The World Around Us the least. The chapter asks which display is easier to read – the long list or the table – and the table wins.

    Colourful Golas – Rohan and Anjali record the ice golas eaten by boys and girls at lunch break. Children colour the drawing, find the most and least eaten colours, and decide which colour Rohan and Anjali would buy (the most popular one).

    Chess or Cricket – Survey classmates: chess but not cricket, cricket but not chess, both, or neither, for girls and boys. Then answer who plays chess the most, who plays cricket the most and how many play both.

    Bal Mela pictograph – Anjali records fruit chaats and Rohan records sandwiches over three days using a pictograph (pictures stand for numbers). Children complete tables of totals, find the day with the most sandwiches and the day with the highest sales.

    Key Ideas

  • Data is information we collect by asking questions or counting.
  • The question must be clear – "like the most" gives one answer per person.
  • Short codes (M, L, T, A, P.E.) make recording quick.
  • Tables and pictographs make data easy to read and compare.
  • We can find the most and least from organised data.

    • Activities from the Book

  • Survey your own grade on favourite subjects.
  • Colour the gola drawing from the recorded data.
  • Collect chess/cricket data and fill the girls/boys table.
  • Complete the Bal Mela totals table.

    • Words to Learn

  • Data – collected information (आँकड़े)
  • Survey – asking many people a question (सर्वेक्षण)
  • Response – an answer (उत्तर)
  • Table – rows and columns of information (तालिका)
  • Pictograph – data shown with pictures (चित्रालेख)
  • Most / Least – biggest / smallest number (सबसे अधिक / सबसे कम)
  • Record – write down (दर्ज करना)
  • Total – all added together (कुल)

    • Tips for Parents & Teachers

  • Run a quick class survey (favourite fruit, colour, game) and make a table together.
  • Use tally marks, then convert them into numbers.
  • Let children draw their own pictograph with a simple symbol.
  • Discuss how a badly framed question gives confusing data.

    • Common Mistakes

  • Counting a response twice or missing one (always check the total, e.g. 45).
  • Mixing up the most and the least.
  • Forgetting what each symbol in a pictograph stands for.

    • 💡 Key Learning Points

    • ✓Frame a clear question to collect useful data.
    • ✓Record responses quickly using codes or tally marks.
    • ✓Organise data in tables and read pictographs.
    • ✓Find the most and least popular choices and compare numbers.
    • ✓Check counts by making sure they add up to the total.

    👨‍🏫 Teaching Tips

    • →Let children frame survey questions and compare which ones work best.
    • →Conduct a real class survey and record it on the board.
    • →Teach tally marks in groups of five for faster counting.
    • →Create a class pictograph with stickers or drawings.
    • →Ask comparison questions: how many more, how many fewer, total.
    • →Link to Chapter 10 subtraction when comparing numbers.
    • →Discuss boys/girls tables to introduce two-way data.

    📋 Assessment Questions

    1. Can the child explain why a question is well framed?
    2. Can the child count responses and fill a table correctly?
    3. Can the child read a pictograph and find totals?
    4. Can the child identify the most and least from data?

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    All chapters in Maths Mela - Class 4

    1. 1. Shapes Around Us
    2. 2. Hide and Seek
    3. 3. Patterns Around Us
    4. 4. Thousands Around Us
    5. 5. Sharing and Measuring
    6. 6. Measuring Length
    7. 7. The Cleanest Village
    8. 8. Weigh It, Pour It
    9. 9. Equal Groups
    10. 10. Elephants, Tigers, and Leopards
    11. 11. Fun with Symmetry
    12. 12. Ticking Clocks and Turning Calendar
    13. 13. The Transport Museum
    14. 14. Data Handling