← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 478 · 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. 1.4 × 19 =
  2. 2.15 × 49 =
  3. 3.3 × 9 =
  4. 4.7 × 9 =
  5. 5.13 × 49 =
  6. 6.7 × 9 =
  7. 7.34 × 98 =
  8. 8.39 × 98 =
  9. 9.4 × 19 =
  10. 10.15 × 49 =
  11. 11.11 × 49 =
  12. 12.8 × 29 =
  13. 13.37 × 98 =
  14. 14.12 × 49 =
  15. 15.10 × 98 =
  16. 16.8 × 49 =
  17. 17.12 × 19 =
  18. 18.37 × 99 =
  19. 19.11 × 49 =
  20. 20.11 × 99 =
  21. 21.17 × 98 =
  22. 22.8 × 19 =
  23. 23.15 × 9 =
  24. 24.15 × 19 =
  25. 25.10 × 19 =
  26. 26.7 × 19 =
  27. 27.3 × 9 =
  28. 28.23 × 98 =
  29. 29.8 × 19 =
  30. 30.6 × 99 =
  31. 31.6 × 29 =
  32. 32.34 × 98 =
  33. 33.18 × 98 =
  34. 34.6 × 29 =
  35. 35.17 × 98 =
  36. 36.6 × 19 =
  37. 37.10 × 29 =
  38. 38.11 × 9 =
  39. 39.6 × 29 =
  40. 40.38 × 98 =

Answer key

  1. 76
  2. 735
  3. 27
  4. 63
  5. 637
  6. 63
  7. 3332
  8. 3822
  9. 76
  10. 735
  11. 539
  12. 232
  13. 3626
  14. 588
  15. 980
  16. 392
  17. 228
  18. 3663
  19. 539
  20. 1089
  21. 1666
  22. 152
  23. 135
  24. 285
  25. 190
  26. 133
  27. 27
  28. 2254
  29. 152
  30. 594
  31. 174
  32. 3332
  33. 1764
  34. 174
  35. 1666
  36. 114
  37. 290
  38. 99
  39. 174
  40. 3724

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