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Revision Notes

Data Handling

ICSE · Class 3 · Mathematics

Quick revision notes for Data Handling — ICSE Class 3 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

45 questions30 flashcards3 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?
Data Handling covers several key topics that are frequently asked in ICSE Class 3 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Data Handling — ICSE Class 3 Mathematics?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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 11 chapters — ICSE Class 3 Mathematics Revision Notes

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