← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 118 · 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. 1.37 × 99 =
  2. 2.14 × 99 =
  3. 3.14 × 49 =
  4. 4.11 × 99 =
  5. 5.19 × 99 =
  6. 6.11 × 29 =
  7. 7.25 × 99 =
  8. 8.4 × 19 =
  9. 9.37 × 99 =
  10. 10.10 × 9 =
  11. 11.5 × 99 =
  12. 12.3 × 49 =
  13. 13.27 × 98 =
  14. 14.39 × 98 =
  15. 15.6 × 49 =
  16. 16.15 × 29 =
  17. 17.39 × 99 =
  18. 18.3 × 98 =
  19. 19.15 × 19 =
  20. 20.6 × 29 =
  21. 21.30 × 99 =
  22. 22.3 × 99 =
  23. 23.9 × 9 =
  24. 24.25 × 99 =
  25. 25.13 × 9 =
  26. 26.8 × 9 =
  27. 27.11 × 99 =
  28. 28.6 × 19 =
  29. 29.4 × 49 =
  30. 30.10 × 98 =
  31. 31.15 × 9 =
  32. 32.15 × 49 =
  33. 33.12 × 98 =
  34. 34.14 × 29 =
  35. 35.14 × 29 =
  36. 36.23 × 99 =
  37. 37.39 × 98 =
  38. 38.10 × 29 =
  39. 39.26 × 98 =
  40. 40.36 × 99 =

Answer key

  1. 3663
  2. 1386
  3. 686
  4. 1089
  5. 1881
  6. 319
  7. 2475
  8. 76
  9. 3663
  10. 90
  11. 495
  12. 147
  13. 2646
  14. 3822
  15. 294
  16. 435
  17. 3861
  18. 294
  19. 285
  20. 174
  21. 2970
  22. 297
  23. 81
  24. 2475
  25. 117
  26. 72
  27. 1089
  28. 114
  29. 196
  30. 980
  31. 135
  32. 735
  33. 1176
  34. 406
  35. 406
  36. 2277
  37. 3822
  38. 290
  39. 2548
  40. 3564

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