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  1. Mathematics Question of the Day - mathopolis

  2. Math Quizzes - mathopolis

  3. Question Database - mathopolis

  4. Hit the Coordinate - Easy - mathopolis

  5. Mathopolis Question Database

  6. Money Master - Simple - mathopolis

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  8. Data Index - mathopolis

  9. Estimate Fractions to Decimals - mathopolis.com

  10. Estimate How Many (2 to 6) - mathopolis