Addition Special Types 3 Addends — Set 21

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easy Set 21
  1. 6 + 1 + 4 = ___
  2. 3 + 4 + 9 = ___
  3. 2 + 2 + 8 = ___
  4. 6 + 3 + 3 = ___
  5. 2 + 5 + 4 = ___
  6. 1 + 10 + 8 = ___
  7. 3 + 6 + 1 = ___
  8. 2 + 10 + 8 = ___
  9. 10 + 1 + 2 = ___
  10. 1 + 1 + 9 = ___
  11. 5 + 4 + 10 = ___
  12. 3 + 6 + 7 = ___
  13. 10 + 6 + 8 = ___
  14. 4 + 2 + 7 = ___
  15. 2 + 6 + 6 = ___
  16. 8 + 1 + 4 = ___
  17. 8 + 1 + 10 = ___
  18. 4 + 5 + 1 = ___
  19. 2 + 1 + 8 = ___
  20. 10 + 5 + 8 = ___

Download this free addition three numbers math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.

Features

  • Printable PDF format
  • Answer key included
  • Multiple difficulty levels
  • Classroom and home friendly

How to Use These Worksheets

  1. Select a three numbers set.
  2. Print or use on-screen.
  3. Check answers and practice again.

Tips

  • Start with easier sets and move up gradually.
  • Practice in short sessions (10–15 minutes).
  • Review mistakes and redo similar problems.

Frequently Asked Questions

How do I use this Addition Three Numbers Math Worksheet 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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