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🔄 Data Revision

Review all the key ideas about data and graphs!

✏️ Explanation

Data can be shown in bar charts, pie charts, and line graphs. These help us compare, see parts of a whole, and spot changes over time.

🔍 Why It Matters

Understanding data and graphs helps us answer questions and make decisions!

🔄 Quick Quiz

Which chart shows parts of a whole?
Try to answer first!

🔢 Practice Exercises

1. What does a bar chart show?
2. What does a pie chart show?
3. What does a line graph show?
4. Why use graphs?
5. What chart shows changes over time?

⚠️ Common Mistakes

  • Mixing up chart types
  • Not reading values correctly
  • Ignoring what each chart shows

✨ Quick Summary

Graphs help us show, compare, and understand data easily.