← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 898 · 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. 1.13 × 49 =
  2. 2.6 × 9 =
  3. 3.20 × 99 =
  4. 4.28 × 99 =
  5. 5.10 × 99 =
  6. 6.7 × 29 =
  7. 7.5 × 49 =
  8. 8.7 × 9 =
  9. 9.14 × 49 =
  10. 10.4 × 19 =
  11. 11.5 × 9 =
  12. 12.12 × 29 =
  13. 13.15 × 9 =
  14. 14.13 × 29 =
  15. 15.8 × 9 =
  16. 16.36 × 99 =
  17. 17.12 × 29 =
  18. 18.7 × 49 =
  19. 19.26 × 99 =
  20. 20.14 × 49 =
  21. 21.37 × 99 =
  22. 22.40 × 98 =
  23. 23.8 × 9 =
  24. 24.12 × 19 =
  25. 25.4 × 19 =
  26. 26.12 × 9 =
  27. 27.13 × 19 =
  28. 28.10 × 98 =
  29. 29.6 × 49 =
  30. 30.7 × 98 =
  31. 31.12 × 19 =
  32. 32.31 × 99 =
  33. 33.23 × 99 =
  34. 34.9 × 9 =
  35. 35.13 × 29 =
  36. 36.15 × 19 =
  37. 37.13 × 29 =
  38. 38.12 × 49 =
  39. 39.11 × 9 =
  40. 40.7 × 9 =

Answer key

  1. 637
  2. 54
  3. 1980
  4. 2772
  5. 990
  6. 203
  7. 245
  8. 63
  9. 686
  10. 76
  11. 45
  12. 348
  13. 135
  14. 377
  15. 72
  16. 3564
  17. 348
  18. 343
  19. 2574
  20. 686
  21. 3663
  22. 3920
  23. 72
  24. 228
  25. 76
  26. 108
  27. 247
  28. 980
  29. 294
  30. 686
  31. 228
  32. 3069
  33. 2277
  34. 81
  35. 377
  36. 285
  37. 377
  38. 588
  39. 99
  40. 63

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