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Mental Subtraction Worksheet for Class 2 and 3

Mental maths lesson 7: Subtract 2-digit numbers left to right · Set 884 · 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. 1.87 − 72 =
  2. 2.59 − 16 =
  3. 3.67 − 45 =
  4. 4.55 − 44 =
  5. 5.82 − 34 =
  6. 6.57 − 41 =
  7. 7.75 − 15 =
  8. 8.73 − 27 =
  9. 9.54 − 17 =
  10. 10.67 − 32 =
  11. 11.60 − 51 =
  12. 12.68 − 12 =
  13. 13.64 − 18 =
  14. 14.64 − 41 =
  15. 15.66 − 44 =
  16. 16.83 − 51 =
  17. 17.92 − 36 =
  18. 18.96 − 13 =
  19. 19.77 − 48 =
  20. 20.84 − 35 =
  21. 21.96 − 42 =
  22. 22.87 − 43 =
  23. 23.75 − 41 =
  24. 24.93 − 14 =
  25. 25.61 − 19 =
  26. 26.55 − 33 =
  27. 27.53 − 16 =
  28. 28.64 − 36 =
  29. 29.65 − 36 =
  30. 30.65 − 13 =
  31. 31.88 − 42 =
  32. 32.78 − 34 =
  33. 33.92 − 31 =
  34. 34.65 − 47 =
  35. 35.54 − 42 =
  36. 36.68 − 53 =
  37. 37.55 − 23 =
  38. 38.62 − 42 =
  39. 39.89 − 21 =
  40. 40.65 − 17 =

Answer key

  1. 15
  2. 43
  3. 22
  4. 11
  5. 48
  6. 16
  7. 60
  8. 46
  9. 37
  10. 35
  11. 9
  12. 56
  13. 46
  14. 23
  15. 22
  16. 32
  17. 56
  18. 83
  19. 29
  20. 49
  21. 54
  22. 44
  23. 34
  24. 79
  25. 42
  26. 22
  27. 37
  28. 28
  29. 29
  30. 52
  31. 46
  32. 44
  33. 61
  34. 18
  35. 12
  36. 15
  37. 32
  38. 20
  39. 68
  40. 48

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