← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 254 · 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. 1.1013 − 989 =
  2. 2.226 − 185 =
  3. 3.72 − 25 =
  4. 4.1001 − 992 =
  5. 5.107 − 98 =
  6. 6.509 − 483 =
  7. 7.122 − 87 =
  8. 8.90 − 72 =
  9. 9.1025 − 989 =
  10. 10.505 − 492 =
  11. 11.212 − 197 =
  12. 12.107 − 67 =
  13. 13.217 − 189 =
  14. 14.507 − 496 =
  15. 15.1008 − 976 =
  16. 16.216 − 194 =
  17. 17.66 − 45 =
  18. 18.228 − 178 =
  19. 19.80 − 33 =
  20. 20.127 − 95 =
  21. 21.227 − 189 =
  22. 22.60 − 33 =
  23. 23.526 − 477 =
  24. 24.91 − 58 =
  25. 25.113 − 90 =
  26. 26.84 − 66 =
  27. 27.84 − 59 =
  28. 28.52 − 44 =
  29. 29.53 − 37 =
  30. 30.527 − 497 =
  31. 31.528 − 497 =
  32. 32.510 − 480 =
  33. 33.310 − 297 =
  34. 34.121 − 81 =
  35. 35.57 − 47 =
  36. 36.66 − 29 =
  37. 37.70 − 46 =
  38. 38.52 − 41 =
  39. 39.95 − 62 =
  40. 40.65 − 27 =

Answer key

  1. 24
  2. 41
  3. 47
  4. 9
  5. 9
  6. 26
  7. 35
  8. 18
  9. 36
  10. 13
  11. 15
  12. 40
  13. 28
  14. 11
  15. 32
  16. 22
  17. 21
  18. 50
  19. 47
  20. 32
  21. 38
  22. 27
  23. 49
  24. 33
  25. 23
  26. 18
  27. 25
  28. 8
  29. 16
  30. 30
  31. 31
  32. 30
  33. 13
  34. 40
  35. 10
  36. 37
  37. 24
  38. 11
  39. 33
  40. 38

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