← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 240 · 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. 1.14 × 49 =
  2. 2.13 × 19 =
  3. 3.4 × 29 =
  4. 4.13 × 9 =
  5. 5.10 × 9 =
  6. 6.11 × 49 =
  7. 7.13 × 49 =
  8. 8.8 × 29 =
  9. 9.24 × 99 =
  10. 10.27 × 98 =
  11. 11.15 × 49 =
  12. 12.12 × 49 =
  13. 13.9 × 29 =
  14. 14.8 × 19 =
  15. 15.3 × 19 =
  16. 16.5 × 49 =
  17. 17.9 × 49 =
  18. 18.6 × 49 =
  19. 19.6 × 29 =
  20. 20.18 × 99 =
  21. 21.11 × 29 =
  22. 22.13 × 19 =
  23. 23.6 × 19 =
  24. 24.5 × 29 =
  25. 25.3 × 29 =
  26. 26.6 × 49 =
  27. 27.5 × 29 =
  28. 28.12 × 9 =
  29. 29.3 × 49 =
  30. 30.7 × 19 =
  31. 31.5 × 19 =
  32. 32.8 × 19 =
  33. 33.7 × 19 =
  34. 34.10 × 9 =
  35. 35.3 × 49 =
  36. 36.24 × 99 =
  37. 37.4 × 49 =
  38. 38.14 × 29 =
  39. 39.8 × 19 =
  40. 40.14 × 29 =

Answer key

  1. 686
  2. 247
  3. 116
  4. 117
  5. 90
  6. 539
  7. 637
  8. 232
  9. 2376
  10. 2646
  11. 735
  12. 588
  13. 261
  14. 152
  15. 57
  16. 245
  17. 441
  18. 294
  19. 174
  20. 1782
  21. 319
  22. 247
  23. 114
  24. 145
  25. 87
  26. 294
  27. 145
  28. 108
  29. 147
  30. 133
  31. 95
  32. 152
  33. 133
  34. 90
  35. 147
  36. 2376
  37. 196
  38. 406
  39. 152
  40. 406

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