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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 634 · 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. 1.62 − 52 =
  2. 2.91 − 48 =
  3. 3.71 − 36 =
  4. 4.63 − 47 =
  5. 5.76 − 65 =
  6. 6.65 − 18 =
  7. 7.71 − 25 =
  8. 8.71 − 13 =
  9. 9.63 − 44 =
  10. 10.70 − 61 =
  11. 11.81 − 31 =
  12. 12.57 − 43 =
  13. 13.93 − 53 =
  14. 14.98 − 27 =
  15. 15.91 − 32 =
  16. 16.91 − 59 =
  17. 17.87 − 46 =
  18. 18.58 − 39 =
  19. 19.54 − 42 =
  20. 20.81 − 54 =
  21. 21.66 − 48 =
  22. 22.83 − 17 =
  23. 23.61 − 41 =
  24. 24.62 − 39 =
  25. 25.66 − 42 =
  26. 26.79 − 59 =
  27. 27.79 − 19 =
  28. 28.75 − 14 =
  29. 29.99 − 48 =
  30. 30.57 − 29 =
  31. 31.74 − 55 =
  32. 32.60 − 39 =
  33. 33.54 − 38 =
  34. 34.87 − 28 =
  35. 35.82 − 59 =
  36. 36.68 − 47 =
  37. 37.55 − 35 =
  38. 38.99 − 49 =
  39. 39.57 − 14 =
  40. 40.52 − 21 =

Answer key

  1. 10
  2. 43
  3. 35
  4. 16
  5. 11
  6. 47
  7. 46
  8. 58
  9. 19
  10. 9
  11. 50
  12. 14
  13. 40
  14. 71
  15. 59
  16. 32
  17. 41
  18. 19
  19. 12
  20. 27
  21. 18
  22. 66
  23. 20
  24. 23
  25. 24
  26. 20
  27. 60
  28. 61
  29. 51
  30. 28
  31. 19
  32. 21
  33. 16
  34. 59
  35. 23
  36. 21
  37. 20
  38. 50
  39. 43
  40. 31

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