Class 6 · Chapter 4
Data Handling and Presentation
Collect, organise, and present data using tables, pictographs, and bar graphs.
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Ganita Prakash · Class 6 (2026-27)
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Tip: NCERT updated the syllabus for 2026-27. The links above open the latest edition on the official portal — chapter titles and numbering may differ from the notes shown here.
Detailed theory
Data can be gathered by observation, surveys, or from published sources. Raw data is organised into a frequency table.
Key concepts & formulas
01
**Data** is information collected as numbers or facts.
02
**Frequency**: how often a value occurs.
03
**Pictograph**: pictures represent quantities.
04
**Bar graph**: rectangles whose lengths show values.
05
Choose a scale that fits all bars.