← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 973 · 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. 1.1003 − 979 =
  2. 2.1016 − 990 =
  3. 3.1001 − 991 =
  4. 4.1007 − 988 =
  5. 5.219 − 182 =
  6. 6.124 − 96 =
  7. 7.505 − 475 =
  8. 8.109 − 73 =
  9. 9.1029 − 976 =
  10. 10.201 − 194 =
  11. 11.325 − 288 =
  12. 12.215 − 186 =
  13. 13.76 − 40 =
  14. 14.230 − 194 =
  15. 15.109 − 71 =
  16. 16.518 − 494 =
  17. 17.125 − 93 =
  18. 18.72 − 47 =
  19. 19.1009 − 980 =
  20. 20.80 − 47 =
  21. 21.229 − 185 =
  22. 22.69 − 31 =
  23. 23.205 − 193 =
  24. 24.52 − 36 =
  25. 25.324 − 287 =
  26. 26.1013 − 988 =
  27. 27.72 − 48 =
  28. 28.96 − 73 =
  29. 29.203 − 184 =
  30. 30.503 − 490 =
  31. 31.121 − 89 =
  32. 32.123 − 81 =
  33. 33.93 − 72 =
  34. 34.112 − 96 =
  35. 35.1010 − 988 =
  36. 36.219 − 187 =
  37. 37.329 − 282 =
  38. 38.108 − 67 =
  39. 39.327 − 297 =
  40. 40.1021 − 990 =

Answer key

  1. 24
  2. 26
  3. 10
  4. 19
  5. 37
  6. 28
  7. 30
  8. 36
  9. 53
  10. 7
  11. 37
  12. 29
  13. 36
  14. 36
  15. 38
  16. 24
  17. 32
  18. 25
  19. 29
  20. 33
  21. 44
  22. 38
  23. 12
  24. 16
  25. 37
  26. 25
  27. 24
  28. 23
  29. 19
  30. 13
  31. 32
  32. 42
  33. 21
  34. 16
  35. 22
  36. 32
  37. 47
  38. 41
  39. 30
  40. 31

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