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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 303 · 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. 1.76 − 22 =
  2. 2.56 − 16 =
  3. 3.61 − 37 =
  4. 4.57 − 31 =
  5. 5.67 − 39 =
  6. 6.80 − 71 =
  7. 7.91 − 12 =
  8. 8.76 − 13 =
  9. 9.53 − 26 =
  10. 10.83 − 71 =
  11. 11.62 − 45 =
  12. 12.72 − 25 =
  13. 13.82 − 56 =
  14. 14.58 − 38 =
  15. 15.56 − 13 =
  16. 16.80 − 21 =
  17. 17.89 − 71 =
  18. 18.78 − 53 =
  19. 19.64 − 35 =
  20. 20.82 − 13 =
  21. 21.84 − 59 =
  22. 22.77 − 28 =
  23. 23.71 − 34 =
  24. 24.55 − 13 =
  25. 25.62 − 37 =
  26. 26.89 − 56 =
  27. 27.67 − 38 =
  28. 28.88 − 71 =
  29. 29.86 − 36 =
  30. 30.63 − 53 =
  31. 31.85 − 71 =
  32. 32.79 − 38 =
  33. 33.60 − 19 =
  34. 34.82 − 32 =
  35. 35.66 − 53 =
  36. 36.58 − 41 =
  37. 37.72 − 21 =
  38. 38.60 − 42 =
  39. 39.62 − 36 =
  40. 40.59 − 25 =

Answer key

  1. 54
  2. 40
  3. 24
  4. 26
  5. 28
  6. 9
  7. 79
  8. 63
  9. 27
  10. 12
  11. 17
  12. 47
  13. 26
  14. 20
  15. 43
  16. 59
  17. 18
  18. 25
  19. 29
  20. 69
  21. 25
  22. 49
  23. 37
  24. 42
  25. 25
  26. 33
  27. 29
  28. 17
  29. 50
  30. 10
  31. 14
  32. 41
  33. 41
  34. 50
  35. 13
  36. 17
  37. 51
  38. 18
  39. 26
  40. 34

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