← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 961 · 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. 1.61 − 38 =
  2. 2.128 − 98 =
  3. 3.524 − 483 =
  4. 4.206 − 197 =
  5. 5.58 − 36 =
  6. 6.307 − 281 =
  7. 7.78 − 41 =
  8. 8.226 − 193 =
  9. 9.63 − 48 =
  10. 10.123 − 88 =
  11. 11.202 − 196 =
  12. 12.129 − 93 =
  13. 13.58 − 48 =
  14. 14.214 − 185 =
  15. 15.105 − 77 =
  16. 16.101 − 63 =
  17. 17.504 − 488 =
  18. 18.123 − 89 =
  19. 19.108 − 82 =
  20. 20.220 − 184 =
  21. 21.116 − 88 =
  22. 22.75 − 28 =
  23. 23.1006 − 991 =
  24. 24.210 − 175 =
  25. 25.520 − 482 =
  26. 26.87 − 68 =
  27. 27.229 − 191 =
  28. 28.74 − 45 =
  29. 29.72 − 46 =
  30. 30.82 − 64 =
  31. 31.321 − 283 =
  32. 32.54 − 36 =
  33. 33.123 − 91 =
  34. 34.83 − 75 =
  35. 35.109 − 97 =
  36. 36.323 − 293 =
  37. 37.525 − 493 =
  38. 38.90 − 65 =
  39. 39.108 − 67 =
  40. 40.311 − 275 =

Answer key

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

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths