← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 24 · 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. 1.13 × 9 =
  2. 2.7 × 29 =
  3. 3.3 × 19 =
  4. 4.29 × 98 =
  5. 5.37 × 99 =
  6. 6.37 × 99 =
  7. 7.9 × 19 =
  8. 8.8 × 9 =
  9. 9.15 × 49 =
  10. 10.4 × 9 =
  11. 11.6 × 19 =
  12. 12.16 × 98 =
  13. 13.9 × 9 =
  14. 14.12 × 9 =
  15. 15.6 × 99 =
  16. 16.13 × 49 =
  17. 17.5 × 9 =
  18. 18.29 × 98 =
  19. 19.7 × 19 =
  20. 20.8 × 19 =
  21. 21.6 × 9 =
  22. 22.8 × 9 =
  23. 23.11 × 19 =
  24. 24.13 × 19 =
  25. 25.7 × 49 =
  26. 26.12 × 49 =
  27. 27.24 × 98 =
  28. 28.10 × 9 =
  29. 29.7 × 19 =
  30. 30.12 × 9 =
  31. 31.13 × 98 =
  32. 32.3 × 99 =
  33. 33.36 × 98 =
  34. 34.4 × 29 =
  35. 35.40 × 98 =
  36. 36.4 × 9 =
  37. 37.6 × 49 =
  38. 38.3 × 29 =
  39. 39.14 × 19 =
  40. 40.8 × 49 =

Answer key

  1. 117
  2. 203
  3. 57
  4. 2842
  5. 3663
  6. 3663
  7. 171
  8. 72
  9. 735
  10. 36
  11. 114
  12. 1568
  13. 81
  14. 108
  15. 594
  16. 637
  17. 45
  18. 2842
  19. 133
  20. 152
  21. 54
  22. 72
  23. 209
  24. 247
  25. 343
  26. 588
  27. 2352
  28. 90
  29. 133
  30. 108
  31. 1274
  32. 297
  33. 3528
  34. 116
  35. 3920
  36. 36
  37. 294
  38. 87
  39. 266
  40. 392

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