← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 40 · 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. 1.5 × 9 =
  2. 2.6 × 99 =
  3. 3.7 × 29 =
  4. 4.8 × 19 =
  5. 5.7 × 29 =
  6. 6.9 × 9 =
  7. 7.15 × 49 =
  8. 8.13 × 19 =
  9. 9.19 × 99 =
  10. 10.8 × 19 =
  11. 11.7 × 19 =
  12. 12.8 × 49 =
  13. 13.12 × 29 =
  14. 14.23 × 99 =
  15. 15.4 × 29 =
  16. 16.37 × 99 =
  17. 17.6 × 99 =
  18. 18.30 × 99 =
  19. 19.7 × 29 =
  20. 20.13 × 9 =
  21. 21.11 × 9 =
  22. 22.4 × 49 =
  23. 23.5 × 9 =
  24. 24.18 × 99 =
  25. 25.14 × 19 =
  26. 26.12 × 29 =
  27. 27.3 × 29 =
  28. 28.39 × 98 =
  29. 29.6 × 99 =
  30. 30.34 × 99 =
  31. 31.8 × 9 =
  32. 32.24 × 99 =
  33. 33.11 × 99 =
  34. 34.10 × 19 =
  35. 35.3 × 19 =
  36. 36.8 × 19 =
  37. 37.6 × 29 =
  38. 38.31 × 99 =
  39. 39.4 × 9 =
  40. 40.14 × 29 =

Answer key

  1. 45
  2. 594
  3. 203
  4. 152
  5. 203
  6. 81
  7. 735
  8. 247
  9. 1881
  10. 152
  11. 133
  12. 392
  13. 348
  14. 2277
  15. 116
  16. 3663
  17. 594
  18. 2970
  19. 203
  20. 117
  21. 99
  22. 196
  23. 45
  24. 1782
  25. 266
  26. 348
  27. 87
  28. 3822
  29. 594
  30. 3366
  31. 72
  32. 2376
  33. 1089
  34. 190
  35. 57
  36. 152
  37. 174
  38. 3069
  39. 36
  40. 406

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