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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 323 · 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. 1.91 − 33 =
  2. 2.91 − 71 =
  3. 3.79 − 42 =
  4. 4.85 − 52 =
  5. 5.74 − 13 =
  6. 6.92 − 67 =
  7. 7.60 − 51 =
  8. 8.61 − 19 =
  9. 9.89 − 48 =
  10. 10.88 − 45 =
  11. 11.96 − 76 =
  12. 12.70 − 53 =
  13. 13.56 − 17 =
  14. 14.97 − 51 =
  15. 15.78 − 49 =
  16. 16.96 − 32 =
  17. 17.62 − 12 =
  18. 18.77 − 15 =
  19. 19.55 − 35 =
  20. 20.72 − 61 =
  21. 21.58 − 33 =
  22. 22.67 − 19 =
  23. 23.58 − 24 =
  24. 24.96 − 21 =
  25. 25.76 − 21 =
  26. 26.61 − 48 =
  27. 27.67 − 24 =
  28. 28.96 − 68 =
  29. 29.62 − 18 =
  30. 30.63 − 12 =
  31. 31.78 − 21 =
  32. 32.93 − 21 =
  33. 33.67 − 33 =
  34. 34.94 − 24 =
  35. 35.56 − 21 =
  36. 36.65 − 43 =
  37. 37.58 − 47 =
  38. 38.99 − 53 =
  39. 39.57 − 15 =
  40. 40.99 − 89 =

Answer key

  1. 58
  2. 20
  3. 37
  4. 33
  5. 61
  6. 25
  7. 9
  8. 42
  9. 41
  10. 43
  11. 20
  12. 17
  13. 39
  14. 46
  15. 29
  16. 64
  17. 50
  18. 62
  19. 20
  20. 11
  21. 25
  22. 48
  23. 34
  24. 75
  25. 55
  26. 13
  27. 43
  28. 28
  29. 44
  30. 51
  31. 57
  32. 72
  33. 34
  34. 70
  35. 35
  36. 22
  37. 11
  38. 46
  39. 42
  40. 10

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