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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 854 · 40 questions
TalentJR

How to do it in your head (Count up): Start at the smaller number. Jump to the next ten, then the next hundred, then to the bigger number. Add up all the jumps.

NameDateTime takenScore ___ / 40
  1. 1.110 − 64 =
  2. 2.102 − 97 =
  3. 3.513 − 481 =
  4. 4.206 − 181 =
  5. 5.506 − 498 =
  6. 6.1002 − 991 =
  7. 7.116 − 94 =
  8. 8.128 − 80 =
  9. 9.1007 − 987 =
  10. 10.89 − 75 =
  11. 11.1028 − 987 =
  12. 12.105 − 57 =
  13. 13.329 − 280 =
  14. 14.126 − 97 =
  15. 15.323 − 276 =
  16. 16.208 − 187 =
  17. 17.302 − 290 =
  18. 18.95 − 62 =
  19. 19.105 − 77 =
  20. 20.321 − 294 =
  21. 21.1029 − 997 =
  22. 22.1008 − 982 =
  23. 23.110 − 73 =
  24. 24.305 − 282 =
  25. 25.211 − 192 =
  26. 26.205 − 189 =
  27. 27.106 − 63 =
  28. 28.319 − 275 =
  29. 29.65 − 27 =
  30. 30.58 − 42 =
  31. 31.108 − 97 =
  32. 32.95 − 76 =
  33. 33.118 − 88 =
  34. 34.1009 − 992 =
  35. 35.1010 − 986 =
  36. 36.516 − 486 =
  37. 37.1011 − 987 =
  38. 38.1006 − 998 =
  39. 39.528 − 488 =
  40. 40.213 − 194 =

Answer key

  1. 46
  2. 5
  3. 32
  4. 25
  5. 8
  6. 11
  7. 22
  8. 48
  9. 20
  10. 14
  11. 41
  12. 48
  13. 49
  14. 29
  15. 47
  16. 21
  17. 12
  18. 33
  19. 28
  20. 27
  21. 32
  22. 26
  23. 37
  24. 23
  25. 19
  26. 16
  27. 43
  28. 44
  29. 38
  30. 16
  31. 11
  32. 19
  33. 30
  34. 17
  35. 24
  36. 30
  37. 24
  38. 8
  39. 40
  40. 19

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