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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 930 · 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. 1.85 − 28 =
  2. 2.67 − 46 =
  3. 3.67 − 22 =
  4. 4.99 − 12 =
  5. 5.55 − 13 =
  6. 6.93 − 12 =
  7. 7.68 − 18 =
  8. 8.61 − 19 =
  9. 9.89 − 18 =
  10. 10.54 − 19 =
  11. 11.70 − 61 =
  12. 12.56 − 12 =
  13. 13.60 − 17 =
  14. 14.80 − 57 =
  15. 15.97 − 83 =
  16. 16.79 − 27 =
  17. 17.87 − 54 =
  18. 18.90 − 44 =
  19. 19.53 − 23 =
  20. 20.83 − 26 =
  21. 21.65 − 49 =
  22. 22.82 − 31 =
  23. 23.69 − 29 =
  24. 24.72 − 12 =
  25. 25.68 − 49 =
  26. 26.99 − 37 =
  27. 27.68 − 38 =
  28. 28.86 − 51 =
  29. 29.70 − 31 =
  30. 30.79 − 13 =
  31. 31.58 − 14 =
  32. 32.63 − 41 =
  33. 33.95 − 44 =
  34. 34.56 − 27 =
  35. 35.62 − 13 =
  36. 36.64 − 26 =
  37. 37.82 − 57 =
  38. 38.76 − 53 =
  39. 39.90 − 73 =
  40. 40.65 − 22 =

Answer key

  1. 57
  2. 21
  3. 45
  4. 87
  5. 42
  6. 81
  7. 50
  8. 42
  9. 71
  10. 35
  11. 9
  12. 44
  13. 43
  14. 23
  15. 14
  16. 52
  17. 33
  18. 46
  19. 30
  20. 57
  21. 16
  22. 51
  23. 40
  24. 60
  25. 19
  26. 62
  27. 30
  28. 35
  29. 39
  30. 66
  31. 44
  32. 22
  33. 51
  34. 29
  35. 49
  36. 38
  37. 25
  38. 23
  39. 17
  40. 43

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