← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 14 · 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. 1.10 × 19 =
  2. 2.5 × 98 =
  3. 3.3 × 49 =
  4. 4.8 × 98 =
  5. 5.12 × 9 =
  6. 6.5 × 49 =
  7. 7.5 × 19 =
  8. 8.11 × 98 =
  9. 9.13 × 49 =
  10. 10.12 × 19 =
  11. 11.3 × 19 =
  12. 12.29 × 98 =
  13. 13.5 × 29 =
  14. 14.5 × 9 =
  15. 15.15 × 19 =
  16. 16.4 × 49 =
  17. 17.36 × 98 =
  18. 18.15 × 29 =
  19. 19.8 × 98 =
  20. 20.10 × 98 =
  21. 21.4 × 49 =
  22. 22.25 × 98 =
  23. 23.8 × 9 =
  24. 24.6 × 98 =
  25. 25.9 × 49 =
  26. 26.3 × 9 =
  27. 27.14 × 9 =
  28. 28.6 × 19 =
  29. 29.11 × 19 =
  30. 30.11 × 49 =
  31. 31.13 × 19 =
  32. 32.9 × 49 =
  33. 33.24 × 99 =
  34. 34.17 × 99 =
  35. 35.40 × 98 =
  36. 36.3 × 49 =
  37. 37.7 × 49 =
  38. 38.5 × 49 =
  39. 39.3 × 98 =
  40. 40.6 × 29 =

Answer key

  1. 190
  2. 490
  3. 147
  4. 784
  5. 108
  6. 245
  7. 95
  8. 1078
  9. 637
  10. 228
  11. 57
  12. 2842
  13. 145
  14. 45
  15. 285
  16. 196
  17. 3528
  18. 435
  19. 784
  20. 980
  21. 196
  22. 2450
  23. 72
  24. 588
  25. 441
  26. 27
  27. 126
  28. 114
  29. 209
  30. 539
  31. 247
  32. 441
  33. 2376
  34. 1683
  35. 3920
  36. 147
  37. 343
  38. 245
  39. 294
  40. 174

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