← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 833 · 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. 1.24 × 99 =
  2. 2.9 × 19 =
  3. 3.14 × 9 =
  4. 4.3 × 9 =
  5. 5.14 × 19 =
  6. 6.6 × 9 =
  7. 7.4 × 9 =
  8. 8.10 × 19 =
  9. 9.7 × 19 =
  10. 10.3 × 19 =
  11. 11.6 × 9 =
  12. 12.12 × 99 =
  13. 13.28 × 98 =
  14. 14.3 × 29 =
  15. 15.12 × 19 =
  16. 16.12 × 9 =
  17. 17.12 × 49 =
  18. 18.21 × 98 =
  19. 19.6 × 9 =
  20. 20.16 × 99 =
  21. 21.3 × 98 =
  22. 22.4 × 29 =
  23. 23.27 × 98 =
  24. 24.6 × 9 =
  25. 25.12 × 9 =
  26. 26.25 × 99 =
  27. 27.11 × 49 =
  28. 28.7 × 49 =
  29. 29.20 × 98 =
  30. 30.14 × 9 =
  31. 31.8 × 98 =
  32. 32.4 × 9 =
  33. 33.6 × 9 =
  34. 34.29 × 98 =
  35. 35.12 × 29 =
  36. 36.14 × 29 =
  37. 37.4 × 19 =
  38. 38.9 × 29 =
  39. 39.5 × 19 =
  40. 40.20 × 98 =

Answer key

  1. 2376
  2. 171
  3. 126
  4. 27
  5. 266
  6. 54
  7. 36
  8. 190
  9. 133
  10. 57
  11. 54
  12. 1188
  13. 2744
  14. 87
  15. 228
  16. 108
  17. 588
  18. 2058
  19. 54
  20. 1584
  21. 294
  22. 116
  23. 2646
  24. 54
  25. 108
  26. 2475
  27. 539
  28. 343
  29. 1960
  30. 126
  31. 784
  32. 36
  33. 54
  34. 2842
  35. 348
  36. 406
  37. 76
  38. 261
  39. 95
  40. 1960

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