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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 309 · 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. 1.93 − 64 =
  2. 2.86 − 31 =
  3. 3.86 − 58 =
  4. 4.90 − 21 =
  5. 5.76 − 62 =
  6. 6.82 − 31 =
  7. 7.60 − 51 =
  8. 8.56 − 31 =
  9. 9.59 − 16 =
  10. 10.52 − 25 =
  11. 11.99 − 23 =
  12. 12.99 − 35 =
  13. 13.81 − 71 =
  14. 14.72 − 33 =
  15. 15.53 − 39 =
  16. 16.62 − 25 =
  17. 17.69 − 51 =
  18. 18.83 − 59 =
  19. 19.67 − 18 =
  20. 20.97 − 18 =
  21. 21.52 − 42 =
  22. 22.55 − 22 =
  23. 23.58 − 12 =
  24. 24.75 − 52 =
  25. 25.62 − 19 =
  26. 26.57 − 45 =
  27. 27.53 − 27 =
  28. 28.79 − 51 =
  29. 29.69 − 55 =
  30. 30.60 − 42 =
  31. 31.84 − 13 =
  32. 32.60 − 27 =
  33. 33.98 − 33 =
  34. 34.87 − 16 =
  35. 35.93 − 72 =
  36. 36.54 − 13 =
  37. 37.52 − 31 =
  38. 38.55 − 45 =
  39. 39.97 − 48 =
  40. 40.57 − 14 =

Answer key

  1. 29
  2. 55
  3. 28
  4. 69
  5. 14
  6. 51
  7. 9
  8. 25
  9. 43
  10. 27
  11. 76
  12. 64
  13. 10
  14. 39
  15. 14
  16. 37
  17. 18
  18. 24
  19. 49
  20. 79
  21. 10
  22. 33
  23. 46
  24. 23
  25. 43
  26. 12
  27. 26
  28. 28
  29. 14
  30. 18
  31. 71
  32. 33
  33. 65
  34. 71
  35. 21
  36. 41
  37. 21
  38. 10
  39. 49
  40. 43

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