← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 667 · 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. 1.27 × 98 =
  2. 2.6 × 19 =
  3. 3.11 × 19 =
  4. 4.6 × 29 =
  5. 5.11 × 19 =
  6. 6.6 × 49 =
  7. 7.3 × 9 =
  8. 8.6 × 99 =
  9. 9.14 × 29 =
  10. 10.9 × 9 =
  11. 11.9 × 99 =
  12. 12.15 × 19 =
  13. 13.37 × 98 =
  14. 14.12 × 49 =
  15. 15.15 × 9 =
  16. 16.6 × 98 =
  17. 17.37 × 98 =
  18. 18.10 × 29 =
  19. 19.11 × 9 =
  20. 20.9 × 9 =
  21. 21.15 × 9 =
  22. 22.8 × 19 =
  23. 23.11 × 49 =
  24. 24.6 × 9 =
  25. 25.14 × 9 =
  26. 26.3 × 29 =
  27. 27.4 × 29 =
  28. 28.6 × 19 =
  29. 29.5 × 9 =
  30. 30.14 × 19 =
  31. 31.15 × 29 =
  32. 32.9 × 19 =
  33. 33.24 × 98 =
  34. 34.7 × 99 =
  35. 35.5 × 29 =
  36. 36.5 × 9 =
  37. 37.5 × 29 =
  38. 38.32 × 99 =
  39. 39.6 × 29 =
  40. 40.8 × 9 =

Answer key

  1. 2646
  2. 114
  3. 209
  4. 174
  5. 209
  6. 294
  7. 27
  8. 594
  9. 406
  10. 81
  11. 891
  12. 285
  13. 3626
  14. 588
  15. 135
  16. 588
  17. 3626
  18. 290
  19. 99
  20. 81
  21. 135
  22. 152
  23. 539
  24. 54
  25. 126
  26. 87
  27. 116
  28. 114
  29. 45
  30. 266
  31. 435
  32. 171
  33. 2352
  34. 693
  35. 145
  36. 45
  37. 145
  38. 3168
  39. 174
  40. 72

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