← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 213 · 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 × 98 =
  2. 2.25 × 99 =
  3. 3.15 × 29 =
  4. 4.24 × 98 =
  5. 5.12 × 49 =
  6. 6.3 × 29 =
  7. 7.25 × 99 =
  8. 8.7 × 49 =
  9. 9.7 × 19 =
  10. 10.6 × 19 =
  11. 11.6 × 9 =
  12. 12.11 × 29 =
  13. 13.15 × 19 =
  14. 14.11 × 99 =
  15. 15.26 × 98 =
  16. 16.25 × 98 =
  17. 17.4 × 29 =
  18. 18.9 × 9 =
  19. 19.14 × 49 =
  20. 20.6 × 49 =
  21. 21.28 × 98 =
  22. 22.15 × 19 =
  23. 23.15 × 29 =
  24. 24.13 × 19 =
  25. 25.9 × 9 =
  26. 26.13 × 99 =
  27. 27.3 × 19 =
  28. 28.5 × 29 =
  29. 29.9 × 19 =
  30. 30.4 × 99 =
  31. 31.30 × 99 =
  32. 32.4 × 9 =
  33. 33.38 × 99 =
  34. 34.7 × 49 =
  35. 35.13 × 99 =
  36. 36.12 × 19 =
  37. 37.11 × 9 =
  38. 38.19 × 99 =
  39. 39.13 × 49 =
  40. 40.39 × 98 =

Answer key

  1. 1372
  2. 2475
  3. 435
  4. 2352
  5. 588
  6. 87
  7. 2475
  8. 343
  9. 133
  10. 114
  11. 54
  12. 319
  13. 285
  14. 1089
  15. 2548
  16. 2450
  17. 116
  18. 81
  19. 686
  20. 294
  21. 2744
  22. 285
  23. 435
  24. 247
  25. 81
  26. 1287
  27. 57
  28. 145
  29. 171
  30. 396
  31. 2970
  32. 36
  33. 3762
  34. 343
  35. 1287
  36. 228
  37. 99
  38. 1881
  39. 637
  40. 3822

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