← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 424 · 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. 1.22 × 99 =
  2. 2.4 × 9 =
  3. 3.11 × 9 =
  4. 4.11 × 49 =
  5. 5.6 × 29 =
  6. 6.6 × 29 =
  7. 7.6 × 9 =
  8. 8.26 × 99 =
  9. 9.4 × 98 =
  10. 10.3 × 19 =
  11. 11.12 × 19 =
  12. 12.15 × 49 =
  13. 13.14 × 99 =
  14. 14.3 × 29 =
  15. 15.6 × 29 =
  16. 16.6 × 19 =
  17. 17.39 × 99 =
  18. 18.9 × 9 =
  19. 19.11 × 9 =
  20. 20.6 × 19 =
  21. 21.7 × 9 =
  22. 22.5 × 98 =
  23. 23.3 × 29 =
  24. 24.12 × 49 =
  25. 25.20 × 99 =
  26. 26.9 × 49 =
  27. 27.14 × 99 =
  28. 28.12 × 99 =
  29. 29.29 × 99 =
  30. 30.6 × 19 =
  31. 31.6 × 29 =
  32. 32.12 × 98 =
  33. 33.11 × 49 =
  34. 34.8 × 9 =
  35. 35.12 × 29 =
  36. 36.15 × 49 =
  37. 37.7 × 9 =
  38. 38.4 × 9 =
  39. 39.12 × 49 =
  40. 40.8 × 9 =

Answer key

  1. 2178
  2. 36
  3. 99
  4. 539
  5. 174
  6. 174
  7. 54
  8. 2574
  9. 392
  10. 57
  11. 228
  12. 735
  13. 1386
  14. 87
  15. 174
  16. 114
  17. 3861
  18. 81
  19. 99
  20. 114
  21. 63
  22. 490
  23. 87
  24. 588
  25. 1980
  26. 441
  27. 1386
  28. 1188
  29. 2871
  30. 114
  31. 174
  32. 1176
  33. 539
  34. 72
  35. 348
  36. 735
  37. 63
  38. 36
  39. 588
  40. 72

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