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Find the missing part to 20

Grade 1 math · Fieldbook Learning

Name ______________________ Date __________

Find the missing part. Subtraction is finding a missing addend.

  1. Ana says: 8 = □ + 7
  2. Fay wonders: □ + 3 = 6
  3. Pia says: □ + 2 = 9
  4. Pia says: 8 − 2 = □
  5. Gus asks: □ + 3 = 13
  6. Nia wonders: 10 − 5 = □
  7. Fay says: 11 − 7 = □
  8. Ben says: 11 = 7 + □
  9. Pia thinks: 10 = 4 + □
  10. Pia asks: 17 − 16 = □
  11. Ivy says: 10 − 9 = □
  12. Hana thinks: 13 = 6 + □
  13. Nia thinks: 15 = □ + 9
  14. Nia asks: 18 = 17 + □
  15. Chen thinks: □ + 2 = 17
  16. Gus asks: 4 + □ = 14
  17. Mo thinks: 8 + □ = 16
  18. Mo asks: □ + 7 = 14
  19. Mo wonders: 19 − 10 = □
  20. Kai wonders: □ + 3 = 16
More free practice: fieldbooklearning.com/ca/practice/grade-1/find-the-missing-part-to-20/

Play it as a quiz game

20 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
Download CSV

Answer key: Find the missing part to 20

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