← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 986 · 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 × 98 =
  2. 2.4 × 19 =
  3. 3.14 × 49 =
  4. 4.24 × 99 =
  5. 5.16 × 98 =
  6. 6.7 × 19 =
  7. 7.14 × 19 =
  8. 8.5 × 29 =
  9. 9.11 × 9 =
  10. 10.6 × 49 =
  11. 11.19 × 99 =
  12. 12.11 × 9 =
  13. 13.15 × 19 =
  14. 14.13 × 99 =
  15. 15.4 × 49 =
  16. 16.40 × 98 =
  17. 17.11 × 98 =
  18. 18.8 × 9 =
  19. 19.6 × 98 =
  20. 20.3 × 9 =
  21. 21.30 × 99 =
  22. 22.23 × 98 =
  23. 23.4 × 9 =
  24. 24.9 × 9 =
  25. 25.21 × 98 =
  26. 26.13 × 99 =
  27. 27.7 × 19 =
  28. 28.13 × 98 =
  29. 29.12 × 29 =
  30. 30.3 × 49 =
  31. 31.6 × 9 =
  32. 32.4 × 99 =
  33. 33.6 × 9 =
  34. 34.14 × 9 =
  35. 35.11 × 19 =
  36. 36.4 × 49 =
  37. 37.11 × 29 =
  38. 38.3 × 29 =
  39. 39.37 × 99 =
  40. 40.13 × 98 =

Answer key

  1. 2352
  2. 76
  3. 686
  4. 2376
  5. 1568
  6. 133
  7. 266
  8. 145
  9. 99
  10. 294
  11. 1881
  12. 99
  13. 285
  14. 1287
  15. 196
  16. 3920
  17. 1078
  18. 72
  19. 588
  20. 27
  21. 2970
  22. 2254
  23. 36
  24. 81
  25. 2058
  26. 1287
  27. 133
  28. 1274
  29. 348
  30. 147
  31. 54
  32. 396
  33. 54
  34. 126
  35. 209
  36. 196
  37. 319
  38. 87
  39. 3663
  40. 1274

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