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Revision Notes

Data Handling — Revision Notes

ICSE · Class 3 · Mathematics

Data Handling revision notes for ICSE Class 3 Mathematics: 4 topics in quick points. Includes What is Data?, Pictographs and Tally Marks.

45 questions30 flashcards3 formulas & key relations3 concepts

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Key Topics to Revise

1

1. What is Data?

  • Data is information collected in numbers.
  • Examples: Number of students who like apples, number of red bikes in a showroom.
  • Data can be shown using pictures, symbols, or tally marks.
2

2. Pictographs

  • A pictograph uses pictures or symbols to show data.
  • Each symbol stands for a certain number of items.
  • Example: One 🍎 symbol = 2 children who like apples.
3

3. Tally Marks

  • Tally marks are used to count and organize data.
  • One vertical line (|) = 1
  • After 4 lines, the fifth is a slanting line across them (||||) = 5
4

4. Reading and Interpreting Data

  • You can answer questions like 'most', 'least', 'total', or 'how many more'.
  • Compare the number of symbols or tally marks.
  • Always write the number, not just draw symbols.

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Full Notes

Key Concepts

Data is information collected in numbersA pictograph uses pictures or symbolsTally marks are lines used

Frequently Asked Questions

What are the important topics in Data Handling for ICSE Class 3 Mathematics?
Key topics in Data Handling include What is Data?, Pictographs, Tally Marks, Reading and Interpreting Data. Study these first, then practise questions on each for Class 3 exams.
How should I revise Data Handling for Class 3 exams?
Learn the core ideas first, then work through the 45 practice questions on Data Handling. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All ICSE Class 3 Mathematics Revision Notes

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