← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 669 · 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. 1.17 × 98 =
  2. 2.11 × 9 =
  3. 3.5 × 9 =
  4. 4.14 × 19 =
  5. 5.3 × 19 =
  6. 6.13 × 19 =
  7. 7.11 × 99 =
  8. 8.14 × 98 =
  9. 9.8 × 9 =
  10. 10.8 × 19 =
  11. 11.3 × 49 =
  12. 12.14 × 98 =
  13. 13.29 × 99 =
  14. 14.34 × 98 =
  15. 15.9 × 9 =
  16. 16.11 × 9 =
  17. 17.4 × 99 =
  18. 18.3 × 9 =
  19. 19.7 × 49 =
  20. 20.7 × 9 =
  21. 21.28 × 98 =
  22. 22.8 × 9 =
  23. 23.9 × 19 =
  24. 24.19 × 99 =
  25. 25.15 × 49 =
  26. 26.10 × 19 =
  27. 27.14 × 29 =
  28. 28.15 × 9 =
  29. 29.12 × 49 =
  30. 30.6 × 9 =
  31. 31.40 × 98 =
  32. 32.5 × 29 =
  33. 33.6 × 99 =
  34. 34.5 × 29 =
  35. 35.16 × 98 =
  36. 36.6 × 29 =
  37. 37.15 × 19 =
  38. 38.8 × 19 =
  39. 39.3 × 29 =
  40. 40.7 × 29 =

Answer key

  1. 1666
  2. 99
  3. 45
  4. 266
  5. 57
  6. 247
  7. 1089
  8. 1372
  9. 72
  10. 152
  11. 147
  12. 1372
  13. 2871
  14. 3332
  15. 81
  16. 99
  17. 396
  18. 27
  19. 343
  20. 63
  21. 2744
  22. 72
  23. 171
  24. 1881
  25. 735
  26. 190
  27. 406
  28. 135
  29. 588
  30. 54
  31. 3920
  32. 145
  33. 594
  34. 145
  35. 1568
  36. 174
  37. 285
  38. 152
  39. 87
  40. 203

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