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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 333 · 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. 1.84 − 68 =
  2. 2.60 − 35 =
  3. 3.98 − 16 =
  4. 4.74 − 16 =
  5. 5.59 − 12 =
  6. 6.72 − 51 =
  7. 7.86 − 33 =
  8. 8.70 − 61 =
  9. 9.54 − 26 =
  10. 10.69 − 25 =
  11. 11.94 − 22 =
  12. 12.80 − 64 =
  13. 13.64 − 32 =
  14. 14.91 − 12 =
  15. 15.52 − 36 =
  16. 16.86 − 47 =
  17. 17.70 − 28 =
  18. 18.76 − 63 =
  19. 19.75 − 56 =
  20. 20.70 − 34 =
  21. 21.57 − 22 =
  22. 22.64 − 44 =
  23. 23.63 − 21 =
  24. 24.64 − 21 =
  25. 25.53 − 43 =
  26. 26.84 − 62 =
  27. 27.57 − 17 =
  28. 28.54 − 37 =
  29. 29.80 − 68 =
  30. 30.61 − 24 =
  31. 31.94 − 42 =
  32. 32.59 − 46 =
  33. 33.59 − 37 =
  34. 34.87 − 16 =
  35. 35.94 − 41 =
  36. 36.58 − 19 =
  37. 37.63 − 27 =
  38. 38.76 − 45 =
  39. 39.71 − 41 =
  40. 40.78 − 58 =

Answer key

  1. 16
  2. 25
  3. 82
  4. 58
  5. 47
  6. 21
  7. 53
  8. 9
  9. 28
  10. 44
  11. 72
  12. 16
  13. 32
  14. 79
  15. 16
  16. 39
  17. 42
  18. 13
  19. 19
  20. 36
  21. 35
  22. 20
  23. 42
  24. 43
  25. 10
  26. 22
  27. 40
  28. 17
  29. 12
  30. 37
  31. 52
  32. 13
  33. 22
  34. 71
  35. 53
  36. 39
  37. 36
  38. 31
  39. 30
  40. 20

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