Exam · Read the Chart

Changes and Percentages

How much it changed between two points and where it grew most

10 questions

Using the game mechanic. No time limit.

Explanation after each answer

You’ll see why it’s correct, with the calculation.

Final score

How many you got right out of 10.

Choose your level

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What this exam is like

Chart-reading exam focused on change: how much a series moved between two years, where it grew fastest and the overall percentage change. 10 questions, no timer.

  • Easy: How much it changed only
  • Medium: + where it grew most
  • Hard: + percentage change
Changes and Percentages guide: how to play and what you learn →
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