← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 662 · 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. 2.13 × 19 =
  3. 3.4 × 49 =
  4. 4.5 × 9 =
  5. 5.5 × 9 =
  6. 6.14 × 9 =
  7. 7.9 × 29 =
  8. 8.10 × 29 =
  9. 9.18 × 98 =
  10. 10.8 × 19 =
  11. 11.9 × 29 =
  12. 12.9 × 19 =
  13. 13.13 × 29 =
  14. 14.9 × 19 =
  15. 15.6 × 9 =
  16. 16.8 × 9 =
  17. 17.3 × 19 =
  18. 18.13 × 9 =
  19. 19.24 × 99 =
  20. 20.13 × 19 =
  21. 21.29 × 98 =
  22. 22.12 × 29 =
  23. 23.15 × 99 =
  24. 24.4 × 19 =
  25. 25.6 × 29 =
  26. 26.10 × 9 =
  27. 27.5 × 19 =
  28. 28.11 × 9 =
  29. 29.13 × 9 =
  30. 30.4 × 9 =
  31. 31.4 × 29 =
  32. 32.3 × 9 =
  33. 33.5 × 19 =
  34. 34.10 × 49 =
  35. 35.27 × 98 =
  36. 36.3 × 29 =
  37. 37.16 × 98 =
  38. 38.9 × 29 =
  39. 39.17 × 99 =
  40. 40.14 × 9 =

Answer key

  1. 57
  2. 247
  3. 196
  4. 45
  5. 45
  6. 126
  7. 261
  8. 290
  9. 1764
  10. 152
  11. 261
  12. 171
  13. 377
  14. 171
  15. 54
  16. 72
  17. 57
  18. 117
  19. 2376
  20. 247
  21. 2842
  22. 348
  23. 1485
  24. 76
  25. 174
  26. 90
  27. 95
  28. 99
  29. 117
  30. 36
  31. 116
  32. 27
  33. 95
  34. 490
  35. 2646
  36. 87
  37. 1568
  38. 261
  39. 1683
  40. 126

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