← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 377 · 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. 1.28 × 98 =
  2. 2.15 × 9 =
  3. 3.21 × 99 =
  4. 4.33 × 98 =
  5. 5.39 × 99 =
  6. 6.11 × 9 =
  7. 7.19 × 98 =
  8. 8.14 × 19 =
  9. 9.7 × 98 =
  10. 10.12 × 9 =
  11. 11.12 × 9 =
  12. 12.3 × 19 =
  13. 13.6 × 9 =
  14. 14.12 × 29 =
  15. 15.10 × 29 =
  16. 16.37 × 98 =
  17. 17.7 × 9 =
  18. 18.8 × 99 =
  19. 19.19 × 98 =
  20. 20.8 × 9 =
  21. 21.7 × 9 =
  22. 22.3 × 49 =
  23. 23.12 × 19 =
  24. 24.3 × 19 =
  25. 25.10 × 99 =
  26. 26.3 × 49 =
  27. 27.8 × 49 =
  28. 28.12 × 49 =
  29. 29.4 × 19 =
  30. 30.8 × 29 =
  31. 31.29 × 99 =
  32. 32.19 × 98 =
  33. 33.8 × 9 =
  34. 34.4 × 49 =
  35. 35.11 × 29 =
  36. 36.10 × 19 =
  37. 37.10 × 9 =
  38. 38.6 × 19 =
  39. 39.3 × 29 =
  40. 40.4 × 29 =

Answer key

  1. 2744
  2. 135
  3. 2079
  4. 3234
  5. 3861
  6. 99
  7. 1862
  8. 266
  9. 686
  10. 108
  11. 108
  12. 57
  13. 54
  14. 348
  15. 290
  16. 3626
  17. 63
  18. 792
  19. 1862
  20. 72
  21. 63
  22. 147
  23. 228
  24. 57
  25. 990
  26. 147
  27. 392
  28. 588
  29. 76
  30. 232
  31. 2871
  32. 1862
  33. 72
  34. 196
  35. 319
  36. 190
  37. 90
  38. 114
  39. 87
  40. 116

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