← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 866 · 40 questions
TalentJR

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

NameDateTime takenScore ___ / 40
  1. 1.4 × 29 =
  2. 2.13 × 99 =
  3. 3.10 × 49 =
  4. 4.8 × 29 =
  5. 5.11 × 49 =
  6. 6.9 × 99 =
  7. 7.8 × 9 =
  8. 8.4 × 9 =
  9. 9.22 × 99 =
  10. 10.9 × 19 =
  11. 11.4 × 29 =
  12. 12.25 × 99 =
  13. 13.7 × 49 =
  14. 14.8 × 49 =
  15. 15.15 × 19 =
  16. 16.14 × 49 =
  17. 17.9 × 19 =
  18. 18.6 × 19 =
  19. 19.33 × 99 =
  20. 20.19 × 98 =
  21. 21.30 × 99 =
  22. 22.9 × 19 =
  23. 23.3 × 19 =
  24. 24.7 × 9 =
  25. 25.8 × 49 =
  26. 26.8 × 9 =
  27. 27.5 × 49 =
  28. 28.5 × 19 =
  29. 29.9 × 99 =
  30. 30.6 × 19 =
  31. 31.15 × 19 =
  32. 32.13 × 9 =
  33. 33.6 × 49 =
  34. 34.6 × 9 =
  35. 35.14 × 29 =
  36. 36.9 × 29 =
  37. 37.4 × 9 =
  38. 38.26 × 98 =
  39. 39.8 × 29 =
  40. 40.5 × 9 =

Answer key

  1. 116
  2. 1287
  3. 490
  4. 232
  5. 539
  6. 891
  7. 72
  8. 36
  9. 2178
  10. 171
  11. 116
  12. 2475
  13. 343
  14. 392
  15. 285
  16. 686
  17. 171
  18. 114
  19. 3267
  20. 1862
  21. 2970
  22. 171
  23. 57
  24. 63
  25. 392
  26. 72
  27. 245
  28. 95
  29. 891
  30. 114
  31. 285
  32. 117
  33. 294
  34. 54
  35. 406
  36. 261
  37. 36
  38. 2548
  39. 232
  40. 45

Free tables & multiplication lessons, practice and worksheets at talentjr.in/multiplication-tables