← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 413 · 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. 1.23 × 99 =
  2. 2.3 × 49 =
  3. 3.7 × 9 =
  4. 4.22 × 98 =
  5. 5.14 × 19 =
  6. 6.14 × 29 =
  7. 7.3 × 9 =
  8. 8.9 × 29 =
  9. 9.34 × 98 =
  10. 10.11 × 9 =
  11. 11.12 × 29 =
  12. 12.37 × 98 =
  13. 13.7 × 29 =
  14. 14.32 × 98 =
  15. 15.19 × 98 =
  16. 16.13 × 19 =
  17. 17.11 × 49 =
  18. 18.8 × 49 =
  19. 19.39 × 99 =
  20. 20.10 × 99 =
  21. 21.4 × 49 =
  22. 22.14 × 9 =
  23. 23.15 × 29 =
  24. 24.13 × 19 =
  25. 25.4 × 29 =
  26. 26.38 × 99 =
  27. 27.8 × 19 =
  28. 28.4 × 49 =
  29. 29.11 × 49 =
  30. 30.8 × 19 =
  31. 31.3 × 9 =
  32. 32.4 × 9 =
  33. 33.9 × 49 =
  34. 34.10 × 49 =
  35. 35.6 × 99 =
  36. 36.8 × 19 =
  37. 37.11 × 9 =
  38. 38.10 × 19 =
  39. 39.5 × 29 =
  40. 40.23 × 98 =

Answer key

  1. 2277
  2. 147
  3. 63
  4. 2156
  5. 266
  6. 406
  7. 27
  8. 261
  9. 3332
  10. 99
  11. 348
  12. 3626
  13. 203
  14. 3136
  15. 1862
  16. 247
  17. 539
  18. 392
  19. 3861
  20. 990
  21. 196
  22. 126
  23. 435
  24. 247
  25. 116
  26. 3762
  27. 152
  28. 196
  29. 539
  30. 152
  31. 27
  32. 36
  33. 441
  34. 490
  35. 594
  36. 152
  37. 99
  38. 190
  39. 145
  40. 2254

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