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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 971 · 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. 1.57 − 35 =
  2. 2.64 − 13 =
  3. 3.55 − 45 =
  4. 4.96 − 64 =
  5. 5.90 − 54 =
  6. 6.57 − 18 =
  7. 7.58 − 15 =
  8. 8.71 − 35 =
  9. 9.59 − 17 =
  10. 10.82 − 18 =
  11. 11.60 − 51 =
  12. 12.60 − 36 =
  13. 13.98 − 32 =
  14. 14.94 − 26 =
  15. 15.57 − 12 =
  16. 16.68 − 21 =
  17. 17.94 − 51 =
  18. 18.72 − 24 =
  19. 19.86 − 31 =
  20. 20.78 − 47 =
  21. 21.92 − 73 =
  22. 22.69 − 25 =
  23. 23.88 − 66 =
  24. 24.97 − 26 =
  25. 25.79 − 33 =
  26. 26.64 − 24 =
  27. 27.95 − 27 =
  28. 28.60 − 16 =
  29. 29.58 − 36 =
  30. 30.63 − 23 =
  31. 31.68 − 31 =
  32. 32.98 − 74 =
  33. 33.84 − 57 =
  34. 34.80 − 21 =
  35. 35.95 − 71 =
  36. 36.92 − 56 =
  37. 37.58 − 41 =
  38. 38.69 − 21 =
  39. 39.69 − 37 =
  40. 40.61 − 21 =

Answer key

  1. 22
  2. 51
  3. 10
  4. 32
  5. 36
  6. 39
  7. 43
  8. 36
  9. 42
  10. 64
  11. 9
  12. 24
  13. 66
  14. 68
  15. 45
  16. 47
  17. 43
  18. 48
  19. 55
  20. 31
  21. 19
  22. 44
  23. 22
  24. 71
  25. 46
  26. 40
  27. 68
  28. 44
  29. 22
  30. 40
  31. 37
  32. 24
  33. 27
  34. 59
  35. 24
  36. 36
  37. 17
  38. 48
  39. 32
  40. 40

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