← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 637 · 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. 1.7 × 98 =
  2. 2.7 × 49 =
  3. 3.15 × 19 =
  4. 4.15 × 29 =
  5. 5.11 × 99 =
  6. 6.10 × 98 =
  7. 7.4 × 19 =
  8. 8.5 × 49 =
  9. 9.6 × 19 =
  10. 10.3 × 49 =
  11. 11.10 × 9 =
  12. 12.5 × 29 =
  13. 13.9 × 9 =
  14. 14.7 × 19 =
  15. 15.19 × 99 =
  16. 16.5 × 49 =
  17. 17.12 × 99 =
  18. 18.7 × 99 =
  19. 19.31 × 98 =
  20. 20.8 × 49 =
  21. 21.6 × 99 =
  22. 22.11 × 9 =
  23. 23.39 × 99 =
  24. 24.33 × 99 =
  25. 25.11 × 49 =
  26. 26.4 × 19 =
  27. 27.7 × 19 =
  28. 28.13 × 9 =
  29. 29.3 × 98 =
  30. 30.13 × 49 =
  31. 31.22 × 99 =
  32. 32.14 × 19 =
  33. 33.5 × 19 =
  34. 34.6 × 98 =
  35. 35.15 × 19 =
  36. 36.14 × 9 =
  37. 37.29 × 98 =
  38. 38.12 × 9 =
  39. 39.6 × 19 =
  40. 40.5 × 49 =

Answer key

  1. 686
  2. 343
  3. 285
  4. 435
  5. 1089
  6. 980
  7. 76
  8. 245
  9. 114
  10. 147
  11. 90
  12. 145
  13. 81
  14. 133
  15. 1881
  16. 245
  17. 1188
  18. 693
  19. 3038
  20. 392
  21. 594
  22. 99
  23. 3861
  24. 3267
  25. 539
  26. 76
  27. 133
  28. 117
  29. 294
  30. 637
  31. 2178
  32. 266
  33. 95
  34. 588
  35. 285
  36. 126
  37. 2842
  38. 108
  39. 114
  40. 245

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