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Kindergarten Missing Addend Worksheets

Find the number that finishes an addition, like 6 + __ = 13.

Every sheet below is generated fresh with a matching answer key. Pick one of the three levels, preview it, and print or download the PDF — no account, no watermark. For the other kindergarten missing numbers skills, see all missing numbers worksheets.

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Missing Numbers · Kindergarten

Grade
Topic
SkillEach skill is a different kind of question, with its own levels.
Level
Questions
20

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Kindergarten · 2 pages · A4

Missing Numbers Practice

Kindergarten • Missing Addend • First number missing
Name:Date:

Write the number the sum starts with.

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

Answer Key

  1. 1. 2
  2. 2. 1
  3. 3. 3
  4. 4. 6
  1. 5. 1
  2. 6. 2
  3. 7. 2
  4. 8. 1
  1. 9. 5
  2. 10. 3
  3. 11. 1
  4. 12. 6
  1. 13. 2
  2. 14. 4
  3. 15. 3
  4. 16. 9
  1. 17. 7
  2. 18. 3
  3. 19. 2
  4. 20. 5
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Page 2 of 2

What each level generates

Kindergarten missing addend — the exact skill behind each difficulty setting, straight from the generator.

  1. Level 1Second number missing
  2. Level 2First number missing
  3. Level 3Total written first

Grade levels follow the progression common to most English-language curricula — not one specific national curriculum. Every level shows exactly what it generates, so you can check the fit with your own program. See the full scope & sequence →

More Kindergarten missing numbers skills

Each one generates a different kind of question, with its own three levels and answer key.

Frequently asked questions

▸Can kindergartners really do missing number problems?

Yes, within 10 and with support. Finding the missing part of a number bond — 2 + ___ = 6 — is a standard kindergarten skill in most curricula, as long as counters, fingers, or drawings are allowed.

▸How many problems should a kindergarten missing number sheet have?

5–8. Attention runs out fast at this age, and each problem deserves counters and conversation. Use the question-count stepper to keep sheets short and finish with energy left over.

▸My child writes the total in the blank. What should I do?

It is the most common early error — they assume the blank is the answer spot. Cover the total, ask "3 and how many more make 5?", and let them count up with objects. It usually resolves within a week or two of practice.

▸Is the name on the worksheet stored anywhere?

No. The child-name field only adds the name to the printed sheet. It never leaves your device and is not part of the shareable link.

▸Is this generator free to use?

Completely free — no account, no sign-up, no watermark. Generate and print as many kindergarten sheets as you like.