← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 546 · 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 × 19 =
  2. 2.8 × 99 =
  3. 3.8 × 19 =
  4. 4.11 × 49 =
  5. 5.15 × 29 =
  6. 6.7 × 49 =
  7. 7.10 × 19 =
  8. 8.5 × 29 =
  9. 9.14 × 19 =
  10. 10.7 × 19 =
  11. 11.5 × 9 =
  12. 12.15 × 49 =
  13. 13.7 × 19 =
  14. 14.15 × 49 =
  15. 15.12 × 9 =
  16. 16.4 × 9 =
  17. 17.7 × 9 =
  18. 18.5 × 29 =
  19. 19.8 × 98 =
  20. 20.5 × 19 =
  21. 21.11 × 19 =
  22. 22.11 × 98 =
  23. 23.24 × 98 =
  24. 24.12 × 49 =
  25. 25.3 × 9 =
  26. 26.6 × 19 =
  27. 27.4 × 9 =
  28. 28.4 × 98 =
  29. 29.4 × 19 =
  30. 30.15 × 9 =
  31. 31.9 × 49 =
  32. 32.5 × 19 =
  33. 33.6 × 49 =
  34. 34.40 × 99 =
  35. 35.30 × 99 =
  36. 36.4 × 9 =
  37. 37.28 × 98 =
  38. 38.6 × 19 =
  39. 39.5 × 19 =
  40. 40.4 × 19 =

Answer key

  1. 133
  2. 792
  3. 152
  4. 539
  5. 435
  6. 343
  7. 190
  8. 145
  9. 266
  10. 133
  11. 45
  12. 735
  13. 133
  14. 735
  15. 108
  16. 36
  17. 63
  18. 145
  19. 784
  20. 95
  21. 209
  22. 1078
  23. 2352
  24. 588
  25. 27
  26. 114
  27. 36
  28. 392
  29. 76
  30. 135
  31. 441
  32. 95
  33. 294
  34. 3960
  35. 2970
  36. 36
  37. 2744
  38. 114
  39. 95
  40. 76

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