← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 77 · 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. 1.37 × 99 =
  2. 2.15 × 49 =
  3. 3.13 × 19 =
  4. 4.11 × 19 =
  5. 5.14 × 9 =
  6. 6.12 × 49 =
  7. 7.15 × 49 =
  8. 8.9 × 99 =
  9. 9.7 × 49 =
  10. 10.5 × 9 =
  11. 11.3 × 49 =
  12. 12.33 × 98 =
  13. 13.13 × 19 =
  14. 14.10 × 29 =
  15. 15.13 × 19 =
  16. 16.11 × 99 =
  17. 17.5 × 49 =
  18. 18.6 × 9 =
  19. 19.5 × 19 =
  20. 20.15 × 19 =
  21. 21.6 × 29 =
  22. 22.3 × 19 =
  23. 23.9 × 19 =
  24. 24.12 × 9 =
  25. 25.8 × 9 =
  26. 26.11 × 49 =
  27. 27.6 × 9 =
  28. 28.4 × 29 =
  29. 29.7 × 19 =
  30. 30.6 × 19 =
  31. 31.3 × 49 =
  32. 32.5 × 99 =
  33. 33.7 × 49 =
  34. 34.6 × 19 =
  35. 35.9 × 9 =
  36. 36.8 × 29 =
  37. 37.8 × 9 =
  38. 38.14 × 9 =
  39. 39.4 × 19 =
  40. 40.15 × 49 =

Answer key

  1. 3663
  2. 735
  3. 247
  4. 209
  5. 126
  6. 588
  7. 735
  8. 891
  9. 343
  10. 45
  11. 147
  12. 3234
  13. 247
  14. 290
  15. 247
  16. 1089
  17. 245
  18. 54
  19. 95
  20. 285
  21. 174
  22. 57
  23. 171
  24. 108
  25. 72
  26. 539
  27. 54
  28. 116
  29. 133
  30. 114
  31. 147
  32. 495
  33. 343
  34. 114
  35. 81
  36. 232
  37. 72
  38. 126
  39. 76
  40. 735

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