← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 766 · 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. 1.3 × 19 =
  2. 2.15 × 19 =
  3. 3.15 × 9 =
  4. 4.13 × 19 =
  5. 5.6 × 29 =
  6. 6.10 × 9 =
  7. 7.4 × 19 =
  8. 8.6 × 9 =
  9. 9.12 × 9 =
  10. 10.9 × 49 =
  11. 11.4 × 49 =
  12. 12.3 × 9 =
  13. 13.4 × 9 =
  14. 14.6 × 19 =
  15. 15.3 × 49 =
  16. 16.9 × 19 =
  17. 17.3 × 9 =
  18. 18.38 × 99 =
  19. 19.12 × 19 =
  20. 20.3 × 29 =
  21. 21.9 × 19 =
  22. 22.24 × 98 =
  23. 23.3 × 9 =
  24. 24.11 × 19 =
  25. 25.11 × 49 =
  26. 26.28 × 98 =
  27. 27.32 × 98 =
  28. 28.10 × 29 =
  29. 29.11 × 49 =
  30. 30.6 × 9 =
  31. 31.18 × 99 =
  32. 32.9 × 29 =
  33. 33.4 × 49 =
  34. 34.24 × 99 =
  35. 35.5 × 29 =
  36. 36.22 × 99 =
  37. 37.37 × 98 =
  38. 38.14 × 19 =
  39. 39.4 × 9 =
  40. 40.15 × 29 =

Answer key

  1. 57
  2. 285
  3. 135
  4. 247
  5. 174
  6. 90
  7. 76
  8. 54
  9. 108
  10. 441
  11. 196
  12. 27
  13. 36
  14. 114
  15. 147
  16. 171
  17. 27
  18. 3762
  19. 228
  20. 87
  21. 171
  22. 2352
  23. 27
  24. 209
  25. 539
  26. 2744
  27. 3136
  28. 290
  29. 539
  30. 54
  31. 1782
  32. 261
  33. 196
  34. 2376
  35. 145
  36. 2178
  37. 3626
  38. 266
  39. 36
  40. 435

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