← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 655 · 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. 1.32 × 98 =
  2. 2.37 × 99 =
  3. 3.9 × 29 =
  4. 4.5 × 19 =
  5. 5.15 × 98 =
  6. 6.10 × 19 =
  7. 7.13 × 19 =
  8. 8.5 × 9 =
  9. 9.8 × 19 =
  10. 10.6 × 19 =
  11. 11.21 × 99 =
  12. 12.12 × 19 =
  13. 13.5 × 9 =
  14. 14.5 × 49 =
  15. 15.7 × 19 =
  16. 16.19 × 98 =
  17. 17.5 × 98 =
  18. 18.8 × 9 =
  19. 19.15 × 19 =
  20. 20.38 × 99 =
  21. 21.3 × 9 =
  22. 22.4 × 19 =
  23. 23.3 × 49 =
  24. 24.6 × 19 =
  25. 25.9 × 49 =
  26. 26.8 × 9 =
  27. 27.15 × 19 =
  28. 28.40 × 98 =
  29. 29.13 × 29 =
  30. 30.9 × 19 =
  31. 31.31 × 98 =
  32. 32.7 × 29 =
  33. 33.8 × 19 =
  34. 34.35 × 99 =
  35. 35.5 × 29 =
  36. 36.13 × 99 =
  37. 37.10 × 9 =
  38. 38.8 × 49 =
  39. 39.6 × 99 =
  40. 40.6 × 49 =

Answer key

  1. 3136
  2. 3663
  3. 261
  4. 95
  5. 1470
  6. 190
  7. 247
  8. 45
  9. 152
  10. 114
  11. 2079
  12. 228
  13. 45
  14. 245
  15. 133
  16. 1862
  17. 490
  18. 72
  19. 285
  20. 3762
  21. 27
  22. 76
  23. 147
  24. 114
  25. 441
  26. 72
  27. 285
  28. 3920
  29. 377
  30. 171
  31. 3038
  32. 203
  33. 152
  34. 3465
  35. 145
  36. 1287
  37. 90
  38. 392
  39. 594
  40. 294

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