Clock Math Quarter Hour Hard — Set 3

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hard Set 3
  1. Start at 6:00. Add 90 minutes. What time is it?
  2. Start at 5:15. Subtract 135 minutes. What time is it?
  3. Start at 10:45. Add 135 minutes. What time is it?
  4. Start at 3:30. Subtract 105 minutes. What time is it?
  5. Start at 11:15. Add 45 minutes. What time is it?
  6. Start at 10:30. Subtract 15 minutes. What time is it?
  7. Start at 9:45. Add 75 minutes. What time is it?
  8. Start at 11:30. Add 60 minutes. What time is it?
  9. Start at 1:30. Subtract 90 minutes. What time is it?
  10. Start at 3:30. Subtract 120 minutes. What time is it?
  11. Start at 11:30. Subtract 90 minutes. What time is it?
  12. Start at 5:00. Add 120 minutes. What time is it?
  13. Start at 8:00. Subtract 15 minutes. What time is it?
  14. Start at 6:00. Subtract 90 minutes. What time is it?
  15. Start at 11:30. Subtract 105 minutes. What time is it?
  16. Start at 3:30. Add 75 minutes. What time is it?
  17. Start at 9:30. Add 75 minutes. What time is it?
  18. Start at 1:30. Add 120 minutes. What time is it?
  19. Start at 6:00. Add 90 minutes. What time is it?
  20. Start at 9:45. Subtract 60 minutes. What time is it?

Practice clock math quarter hour with free printable worksheets. Uniquely generated — reinforce key math skills with every set.

Frequently Asked Questions

How do I use this Clock Math Quarter Hour Hard Worksheets worksheet?

Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.

Is there an answer key?

Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.

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