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Missing Part Subtraction Worksheets

Find the missing part of a bond — a different view of subtraction.

Grade 1 Grade 2

Printable worksheet

Missing Part Subtraction

Name:Date:Score:

Number bonds: find the missing part so that the two parts make the whole.

  1. 114 = + 10
  2. 216 = 2 +
  3. 312 = + 1
  4. 412 = 0 +
  5. 510 = 6 +
  6. 616 = 5 +
  7. 712 = 12 +
  8. 815 = + 1
  9. 916 = + 5
  10. 1018 = 3 +
  11. 1114 = 1 +
  12. 1212 = + 4
  13. 1315 = + 9
  14. 1416 = 12 +
  15. 1518 = + 16
  16. 1610 = 2 +
  17. 1718 = + 17
  18. 1820 = 10 +

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Answer key — Sheet A (18 answers)
  1. 1. 4
  2. 2. 14
  3. 3. 11
  4. 4. 12
  5. 5. 4
  6. 6. 11
  7. 7. 0
  8. 8. 14
  9. 9. 11
  10. 10. 15
  11. 11. 13
  12. 12. 8
  13. 13. 6
  14. 14. 4
  15. 15. 2
  16. 16. 8
  17. 17. 1
  18. 18. 10

About this skill

Finding a missing part is just subtraction in disguise. Children who can do this fluently find column subtraction much easier.

How to teach it

Mistakes to watch for

Where to go next

All Subtraction Worksheets →