← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 287 · 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. 1.1010 − 985 =
  2. 2.527 − 497 =
  3. 3.229 − 195 =
  4. 4.102 − 94 =
  5. 5.1025 − 980 =
  6. 6.121 − 85 =
  7. 7.125 − 93 =
  8. 8.125 − 80 =
  9. 9.1030 − 975 =
  10. 10.523 − 498 =
  11. 11.106 − 76 =
  12. 12.1009 − 978 =
  13. 13.207 − 198 =
  14. 14.106 − 80 =
  15. 15.302 − 283 =
  16. 16.128 − 80 =
  17. 17.104 − 97 =
  18. 18.1004 − 996 =
  19. 19.307 − 283 =
  20. 20.326 − 292 =
  21. 21.215 − 194 =
  22. 22.303 − 283 =
  23. 23.63 − 40 =
  24. 24.129 − 96 =
  25. 25.120 − 98 =
  26. 26.70 − 40 =
  27. 27.204 − 187 =
  28. 28.226 − 193 =
  29. 29.88 − 64 =
  30. 30.510 − 498 =
  31. 31.86 − 78 =
  32. 32.521 − 492 =
  33. 33.102 − 86 =
  34. 34.106 − 93 =
  35. 35.328 − 276 =
  36. 36.67 − 33 =
  37. 37.99 − 56 =
  38. 38.1008 − 990 =
  39. 39.73 − 48 =
  40. 40.63 − 44 =

Answer key

  1. 25
  2. 30
  3. 34
  4. 8
  5. 45
  6. 36
  7. 32
  8. 45
  9. 55
  10. 25
  11. 30
  12. 31
  13. 9
  14. 26
  15. 19
  16. 48
  17. 7
  18. 8
  19. 24
  20. 34
  21. 21
  22. 20
  23. 23
  24. 33
  25. 22
  26. 30
  27. 17
  28. 33
  29. 24
  30. 12
  31. 8
  32. 29
  33. 16
  34. 13
  35. 52
  36. 34
  37. 43
  38. 18
  39. 25
  40. 19

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