← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 638 · 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 × 19 =
  2. 2.29 × 98 =
  3. 3.3 × 9 =
  4. 4.4 × 29 =
  5. 5.7 × 49 =
  6. 6.13 × 19 =
  7. 7.12 × 49 =
  8. 8.10 × 98 =
  9. 9.35 × 98 =
  10. 10.13 × 99 =
  11. 11.25 × 99 =
  12. 12.11 × 29 =
  13. 13.4 × 49 =
  14. 14.11 × 29 =
  15. 15.13 × 19 =
  16. 16.3 × 29 =
  17. 17.13 × 98 =
  18. 18.14 × 49 =
  19. 19.36 × 99 =
  20. 20.5 × 49 =
  21. 21.3 × 98 =
  22. 22.11 × 98 =
  23. 23.8 × 9 =
  24. 24.6 × 19 =
  25. 25.5 × 9 =
  26. 26.11 × 49 =
  27. 27.13 × 9 =
  28. 28.30 × 98 =
  29. 29.20 × 99 =
  30. 30.11 × 29 =
  31. 31.12 × 19 =
  32. 32.3 × 29 =
  33. 33.32 × 98 =
  34. 34.25 × 98 =
  35. 35.11 × 99 =
  36. 36.8 × 19 =
  37. 37.9 × 29 =
  38. 38.28 × 99 =
  39. 39.5 × 19 =
  40. 40.4 × 9 =

Answer key

  1. 57
  2. 2842
  3. 27
  4. 116
  5. 343
  6. 247
  7. 588
  8. 980
  9. 3430
  10. 1287
  11. 2475
  12. 319
  13. 196
  14. 319
  15. 247
  16. 87
  17. 1274
  18. 686
  19. 3564
  20. 245
  21. 294
  22. 1078
  23. 72
  24. 114
  25. 45
  26. 539
  27. 117
  28. 2940
  29. 1980
  30. 319
  31. 228
  32. 87
  33. 3136
  34. 2450
  35. 1089
  36. 152
  37. 261
  38. 2772
  39. 95
  40. 36

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