← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 542 · 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. 1.27 × 98 =
  2. 2.11 × 29 =
  3. 3.6 × 19 =
  4. 4.8 × 9 =
  5. 5.9 × 99 =
  6. 6.13 × 9 =
  7. 7.7 × 29 =
  8. 8.14 × 9 =
  9. 9.12 × 49 =
  10. 10.32 × 99 =
  11. 11.5 × 19 =
  12. 12.8 × 19 =
  13. 13.24 × 98 =
  14. 14.14 × 98 =
  15. 15.9 × 49 =
  16. 16.12 × 9 =
  17. 17.6 × 49 =
  18. 18.8 × 98 =
  19. 19.9 × 19 =
  20. 20.10 × 9 =
  21. 21.7 × 49 =
  22. 22.5 × 19 =
  23. 23.8 × 98 =
  24. 24.30 × 98 =
  25. 25.6 × 9 =
  26. 26.11 × 98 =
  27. 27.6 × 49 =
  28. 28.15 × 29 =
  29. 29.3 × 29 =
  30. 30.8 × 19 =
  31. 31.7 × 19 =
  32. 32.13 × 98 =
  33. 33.6 × 9 =
  34. 34.9 × 49 =
  35. 35.17 × 98 =
  36. 36.7 × 29 =
  37. 37.15 × 9 =
  38. 38.7 × 29 =
  39. 39.9 × 19 =
  40. 40.29 × 99 =

Answer key

  1. 2646
  2. 319
  3. 114
  4. 72
  5. 891
  6. 117
  7. 203
  8. 126
  9. 588
  10. 3168
  11. 95
  12. 152
  13. 2352
  14. 1372
  15. 441
  16. 108
  17. 294
  18. 784
  19. 171
  20. 90
  21. 343
  22. 95
  23. 784
  24. 2940
  25. 54
  26. 1078
  27. 294
  28. 435
  29. 87
  30. 152
  31. 133
  32. 1274
  33. 54
  34. 441
  35. 1666
  36. 203
  37. 135
  38. 203
  39. 171
  40. 2871

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