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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 172 · 40 questions
TalentJR

How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).

NameDateTime takenScore ___ / 40
  1. 1.55 − 31 =
  2. 2.90 − 81 =
  3. 3.63 − 35 =
  4. 4.59 − 48 =
  5. 5.83 − 37 =
  6. 6.68 − 16 =
  7. 7.75 − 51 =
  8. 8.57 − 27 =
  9. 9.58 − 21 =
  10. 10.79 − 25 =
  11. 11.57 − 31 =
  12. 12.84 − 51 =
  13. 13.61 − 39 =
  14. 14.68 − 45 =
  15. 15.73 − 45 =
  16. 16.66 − 55 =
  17. 17.61 − 29 =
  18. 18.92 − 81 =
  19. 19.63 − 28 =
  20. 20.68 − 51 =
  21. 21.54 − 17 =
  22. 22.69 − 26 =
  23. 23.53 − 26 =
  24. 24.60 − 36 =
  25. 25.59 − 15 =
  26. 26.64 − 27 =
  27. 27.88 − 28 =
  28. 28.69 − 42 =
  29. 29.96 − 32 =
  30. 30.59 − 39 =
  31. 31.54 − 16 =
  32. 32.76 − 63 =
  33. 33.92 − 31 =
  34. 34.59 − 41 =
  35. 35.76 − 22 =
  36. 36.85 − 46 =
  37. 37.59 − 21 =
  38. 38.56 − 23 =
  39. 39.96 − 28 =
  40. 40.79 − 17 =

Answer key

  1. 24
  2. 9
  3. 28
  4. 11
  5. 46
  6. 52
  7. 24
  8. 30
  9. 37
  10. 54
  11. 26
  12. 33
  13. 22
  14. 23
  15. 28
  16. 11
  17. 32
  18. 11
  19. 35
  20. 17
  21. 37
  22. 43
  23. 27
  24. 24
  25. 44
  26. 37
  27. 60
  28. 27
  29. 64
  30. 20
  31. 38
  32. 13
  33. 61
  34. 18
  35. 54
  36. 39
  37. 38
  38. 33
  39. 68
  40. 62

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