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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 148 · 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. 1.63 − 33 =
  2. 2.53 − 43 =
  3. 3.63 − 15 =
  4. 4.54 − 33 =
  5. 5.81 − 65 =
  6. 6.64 − 14 =
  7. 7.83 − 71 =
  8. 8.59 − 41 =
  9. 9.82 − 24 =
  10. 10.72 − 38 =
  11. 11.70 − 61 =
  12. 12.95 − 18 =
  13. 13.93 − 31 =
  14. 14.93 − 28 =
  15. 15.72 − 42 =
  16. 16.59 − 45 =
  17. 17.83 − 62 =
  18. 18.73 − 21 =
  19. 19.96 − 51 =
  20. 20.58 − 15 =
  21. 21.59 − 23 =
  22. 22.71 − 45 =
  23. 23.53 − 19 =
  24. 24.76 − 43 =
  25. 25.63 − 22 =
  26. 26.56 − 23 =
  27. 27.62 − 15 =
  28. 28.63 − 21 =
  29. 29.85 − 25 =
  30. 30.95 − 68 =
  31. 31.57 − 22 =
  32. 32.69 − 36 =
  33. 33.83 − 49 =
  34. 34.95 − 14 =
  35. 35.62 − 12 =
  36. 36.94 − 26 =
  37. 37.54 − 31 =
  38. 38.86 − 71 =
  39. 39.67 − 54 =
  40. 40.85 − 17 =

Answer key

  1. 30
  2. 10
  3. 48
  4. 21
  5. 16
  6. 50
  7. 12
  8. 18
  9. 58
  10. 34
  11. 9
  12. 77
  13. 62
  14. 65
  15. 30
  16. 14
  17. 21
  18. 52
  19. 45
  20. 43
  21. 36
  22. 26
  23. 34
  24. 33
  25. 41
  26. 33
  27. 47
  28. 42
  29. 60
  30. 27
  31. 35
  32. 33
  33. 34
  34. 81
  35. 50
  36. 68
  37. 23
  38. 15
  39. 13
  40. 68

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