← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 13 · 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. 1.15 × 9 =
  2. 2.3 × 99 =
  3. 3.8 × 29 =
  4. 4.3 × 19 =
  5. 5.9 × 9 =
  6. 6.3 × 9 =
  7. 7.11 × 29 =
  8. 8.7 × 19 =
  9. 9.14 × 9 =
  10. 10.11 × 9 =
  11. 11.13 × 49 =
  12. 12.29 × 98 =
  13. 13.13 × 29 =
  14. 14.11 × 29 =
  15. 15.3 × 9 =
  16. 16.15 × 19 =
  17. 17.11 × 29 =
  18. 18.28 × 98 =
  19. 19.4 × 49 =
  20. 20.12 × 29 =
  21. 21.32 × 98 =
  22. 22.3 × 9 =
  23. 23.12 × 49 =
  24. 24.12 × 29 =
  25. 25.29 × 99 =
  26. 26.3 × 9 =
  27. 27.14 × 49 =
  28. 28.8 × 9 =
  29. 29.11 × 9 =
  30. 30.8 × 19 =
  31. 31.8 × 49 =
  32. 32.3 × 49 =
  33. 33.9 × 49 =
  34. 34.3 × 9 =
  35. 35.25 × 98 =
  36. 36.10 × 9 =
  37. 37.11 × 29 =
  38. 38.15 × 9 =
  39. 39.28 × 98 =
  40. 40.4 × 49 =

Answer key

  1. 135
  2. 297
  3. 232
  4. 57
  5. 81
  6. 27
  7. 319
  8. 133
  9. 126
  10. 99
  11. 637
  12. 2842
  13. 377
  14. 319
  15. 27
  16. 285
  17. 319
  18. 2744
  19. 196
  20. 348
  21. 3136
  22. 27
  23. 588
  24. 348
  25. 2871
  26. 27
  27. 686
  28. 72
  29. 99
  30. 152
  31. 392
  32. 147
  33. 441
  34. 27
  35. 2450
  36. 90
  37. 319
  38. 135
  39. 2744
  40. 196

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