← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 769 · 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 × 49 =
  2. 2.5 × 29 =
  3. 3.40 × 98 =
  4. 4.5 × 29 =
  5. 5.8 × 9 =
  6. 6.36 × 99 =
  7. 7.39 × 98 =
  8. 8.38 × 99 =
  9. 9.6 × 19 =
  10. 10.11 × 49 =
  11. 11.4 × 49 =
  12. 12.11 × 29 =
  13. 13.30 × 99 =
  14. 14.19 × 98 =
  15. 15.4 × 49 =
  16. 16.5 × 29 =
  17. 17.12 × 49 =
  18. 18.7 × 19 =
  19. 19.5 × 49 =
  20. 20.25 × 98 =
  21. 21.13 × 9 =
  22. 22.7 × 29 =
  23. 23.6 × 9 =
  24. 24.10 × 9 =
  25. 25.3 × 29 =
  26. 26.11 × 99 =
  27. 27.13 × 9 =
  28. 28.8 × 9 =
  29. 29.4 × 29 =
  30. 30.3 × 49 =
  31. 31.11 × 9 =
  32. 32.23 × 98 =
  33. 33.11 × 19 =
  34. 34.7 × 98 =
  35. 35.3 × 29 =
  36. 36.13 × 9 =
  37. 37.6 × 99 =
  38. 38.33 × 99 =
  39. 39.10 × 19 =
  40. 40.6 × 19 =

Answer key

  1. 735
  2. 145
  3. 3920
  4. 145
  5. 72
  6. 3564
  7. 3822
  8. 3762
  9. 114
  10. 539
  11. 196
  12. 319
  13. 2970
  14. 1862
  15. 196
  16. 145
  17. 588
  18. 133
  19. 245
  20. 2450
  21. 117
  22. 203
  23. 54
  24. 90
  25. 87
  26. 1089
  27. 117
  28. 72
  29. 116
  30. 147
  31. 99
  32. 2254
  33. 209
  34. 686
  35. 87
  36. 117
  37. 594
  38. 3267
  39. 190
  40. 114

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