← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 298 · 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. 1.32 × 99 =
  2. 2.4 × 19 =
  3. 3.6 × 9 =
  4. 4.10 × 29 =
  5. 5.5 × 98 =
  6. 6.5 × 29 =
  7. 7.9 × 29 =
  8. 8.8 × 19 =
  9. 9.11 × 19 =
  10. 10.15 × 98 =
  11. 11.11 × 49 =
  12. 12.6 × 98 =
  13. 13.11 × 49 =
  14. 14.3 × 9 =
  15. 15.11 × 29 =
  16. 16.10 × 29 =
  17. 17.4 × 49 =
  18. 18.8 × 29 =
  19. 19.39 × 99 =
  20. 20.4 × 49 =
  21. 21.7 × 99 =
  22. 22.6 × 9 =
  23. 23.3 × 29 =
  24. 24.11 × 9 =
  25. 25.15 × 29 =
  26. 26.4 × 9 =
  27. 27.14 × 9 =
  28. 28.9 × 29 =
  29. 29.14 × 49 =
  30. 30.15 × 98 =
  31. 31.11 × 29 =
  32. 32.3 × 19 =
  33. 33.10 × 19 =
  34. 34.12 × 49 =
  35. 35.8 × 9 =
  36. 36.11 × 49 =
  37. 37.11 × 49 =
  38. 38.7 × 49 =
  39. 39.12 × 49 =
  40. 40.13 × 99 =

Answer key

  1. 3168
  2. 76
  3. 54
  4. 290
  5. 490
  6. 145
  7. 261
  8. 152
  9. 209
  10. 1470
  11. 539
  12. 588
  13. 539
  14. 27
  15. 319
  16. 290
  17. 196
  18. 232
  19. 3861
  20. 196
  21. 693
  22. 54
  23. 87
  24. 99
  25. 435
  26. 36
  27. 126
  28. 261
  29. 686
  30. 1470
  31. 319
  32. 57
  33. 190
  34. 588
  35. 72
  36. 539
  37. 539
  38. 343
  39. 588
  40. 1287

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