Subtraction•Grade 2

2.NBT.8 — Mentally Subtract 10 or 100

Practice mentally subtracting 10 or 100 from three-digit numbers between 100 and 900 to build strong number sense and place value understanding.

CCSSAligned to Common Core 2.NBT.8: Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
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20 problemsAnswer key included

Subtract 10 or 100 from each number in your head and write the answer.

  1. 1.200 - 10 =
  2. 2.350 - 100 =
  3. 3.475 - 10 =
  4. 4.630 - 100 =
  5. 5.812 - 10 =
  6. 6.740 - 100 =
  7. 7.563 - 10 =
  8. 8.900 - 100 =
  9. 9.128 - 10 =
  10. 10.500 - 100 =
  11. 11.687 - 10 =
  12. 12.420 - 100 =
  13. 13.315 - 10 =
  14. 14.750 - 100 =
  15. 15.241 - 10 =
  16. 16.860 - 100 =
  17. 17.193 - 10 =
  18. 18.507 - 100 =
  19. 19.724 - 10 =
  20. 20.600 - 100 =

This free printable grade 2 subtraction worksheet includes 20 problems and a complete answer key. Download the PDF above to print at home or in the classroom.

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