← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 136 · 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. 1.1001 − 998 =
  2. 2.104 − 92 =
  3. 3.96 − 74 =
  4. 4.104 − 75 =
  5. 5.101 − 77 =
  6. 6.320 − 275 =
  7. 7.315 − 278 =
  8. 8.220 − 194 =
  9. 9.1016 − 978 =
  10. 10.100 − 55 =
  11. 11.112 − 81 =
  12. 12.101 − 63 =
  13. 13.214 − 197 =
  14. 14.111 − 78 =
  15. 15.81 − 68 =
  16. 16.204 − 196 =
  17. 17.230 − 180 =
  18. 18.213 − 185 =
  19. 19.86 − 72 =
  20. 20.115 − 97 =
  21. 21.312 − 296 =
  22. 22.515 − 498 =
  23. 23.105 − 74 =
  24. 24.310 − 297 =
  25. 25.52 − 39 =
  26. 26.1001 − 997 =
  27. 27.502 − 495 =
  28. 28.203 − 185 =
  29. 29.65 − 34 =
  30. 30.78 − 35 =
  31. 31.55 − 36 =
  32. 32.1022 − 995 =
  33. 33.529 − 488 =
  34. 34.1026 − 981 =
  35. 35.211 − 191 =
  36. 36.528 − 483 =
  37. 37.117 − 77 =
  38. 38.76 − 27 =
  39. 39.76 − 26 =
  40. 40.208 − 183 =

Answer key

  1. 3
  2. 12
  3. 22
  4. 29
  5. 24
  6. 45
  7. 37
  8. 26
  9. 38
  10. 45
  11. 31
  12. 38
  13. 17
  14. 33
  15. 13
  16. 8
  17. 50
  18. 28
  19. 14
  20. 18
  21. 16
  22. 17
  23. 31
  24. 13
  25. 13
  26. 4
  27. 7
  28. 18
  29. 31
  30. 43
  31. 19
  32. 27
  33. 41
  34. 45
  35. 20
  36. 45
  37. 40
  38. 49
  39. 50
  40. 25

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