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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 703 · 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. 1.78 − 65 =
  2. 2.89 − 79 =
  3. 3.60 − 23 =
  4. 4.97 − 62 =
  5. 5.60 − 51 =
  6. 6.74 − 45 =
  7. 7.59 − 16 =
  8. 8.61 − 51 =
  9. 9.91 − 48 =
  10. 10.63 − 14 =
  11. 11.54 − 31 =
  12. 12.77 − 64 =
  13. 13.57 − 26 =
  14. 14.99 − 18 =
  15. 15.80 − 59 =
  16. 16.60 − 22 =
  17. 17.70 − 27 =
  18. 18.62 − 39 =
  19. 19.58 − 17 =
  20. 20.75 − 41 =
  21. 21.57 − 22 =
  22. 22.76 − 12 =
  23. 23.62 − 43 =
  24. 24.65 − 38 =
  25. 25.52 − 36 =
  26. 26.59 − 25 =
  27. 27.73 − 34 =
  28. 28.74 − 59 =
  29. 29.81 − 64 =
  30. 30.63 − 41 =
  31. 31.64 − 51 =
  32. 32.56 − 32 =
  33. 33.98 − 21 =
  34. 34.53 − 41 =
  35. 35.76 − 64 =
  36. 36.63 − 31 =
  37. 37.93 − 31 =
  38. 38.87 − 37 =
  39. 39.85 − 29 =
  40. 40.64 − 25 =

Answer key

  1. 13
  2. 10
  3. 37
  4. 35
  5. 9
  6. 29
  7. 43
  8. 10
  9. 43
  10. 49
  11. 23
  12. 13
  13. 31
  14. 81
  15. 21
  16. 38
  17. 43
  18. 23
  19. 41
  20. 34
  21. 35
  22. 64
  23. 19
  24. 27
  25. 16
  26. 34
  27. 39
  28. 15
  29. 17
  30. 22
  31. 13
  32. 24
  33. 77
  34. 12
  35. 12
  36. 32
  37. 62
  38. 50
  39. 56
  40. 39

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