← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 436 · 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. 1.3 × 9 =
  2. 2.15 × 29 =
  3. 3.5 × 9 =
  4. 4.39 × 98 =
  5. 5.6 × 99 =
  6. 6.5 × 9 =
  7. 7.13 × 19 =
  8. 8.39 × 99 =
  9. 9.7 × 19 =
  10. 10.12 × 9 =
  11. 11.3 × 9 =
  12. 12.3 × 49 =
  13. 13.17 × 98 =
  14. 14.11 × 19 =
  15. 15.13 × 99 =
  16. 16.11 × 29 =
  17. 17.8 × 9 =
  18. 18.39 × 98 =
  19. 19.5 × 19 =
  20. 20.5 × 49 =
  21. 21.12 × 19 =
  22. 22.33 × 98 =
  23. 23.28 × 99 =
  24. 24.5 × 9 =
  25. 25.14 × 99 =
  26. 26.6 × 49 =
  27. 27.10 × 19 =
  28. 28.6 × 19 =
  29. 29.15 × 29 =
  30. 30.10 × 19 =
  31. 31.3 × 9 =
  32. 32.11 × 19 =
  33. 33.35 × 98 =
  34. 34.35 × 98 =
  35. 35.12 × 19 =
  36. 36.20 × 98 =
  37. 37.27 × 99 =
  38. 38.14 × 98 =
  39. 39.5 × 19 =
  40. 40.5 × 9 =

Answer key

  1. 27
  2. 435
  3. 45
  4. 3822
  5. 594
  6. 45
  7. 247
  8. 3861
  9. 133
  10. 108
  11. 27
  12. 147
  13. 1666
  14. 209
  15. 1287
  16. 319
  17. 72
  18. 3822
  19. 95
  20. 245
  21. 228
  22. 3234
  23. 2772
  24. 45
  25. 1386
  26. 294
  27. 190
  28. 114
  29. 435
  30. 190
  31. 27
  32. 209
  33. 3430
  34. 3430
  35. 228
  36. 1960
  37. 2673
  38. 1372
  39. 95
  40. 45

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