← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 86 · 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. 1.6 × 29 =
  2. 2.13 × 29 =
  3. 3.11 × 9 =
  4. 4.3 × 19 =
  5. 5.23 × 98 =
  6. 6.12 × 9 =
  7. 7.5 × 49 =
  8. 8.11 × 9 =
  9. 9.3 × 9 =
  10. 10.5 × 9 =
  11. 11.40 × 99 =
  12. 12.3 × 49 =
  13. 13.40 × 98 =
  14. 14.37 × 98 =
  15. 15.8 × 49 =
  16. 16.4 × 29 =
  17. 17.7 × 29 =
  18. 18.5 × 19 =
  19. 19.13 × 49 =
  20. 20.12 × 9 =
  21. 21.11 × 29 =
  22. 22.5 × 49 =
  23. 23.25 × 98 =
  24. 24.23 × 99 =
  25. 25.27 × 98 =
  26. 26.3 × 9 =
  27. 27.22 × 99 =
  28. 28.10 × 49 =
  29. 29.15 × 9 =
  30. 30.17 × 98 =
  31. 31.11 × 9 =
  32. 32.14 × 9 =
  33. 33.3 × 9 =
  34. 34.3 × 19 =
  35. 35.36 × 99 =
  36. 36.8 × 49 =
  37. 37.33 × 98 =
  38. 38.16 × 98 =
  39. 39.10 × 9 =
  40. 40.9 × 19 =

Answer key

  1. 174
  2. 377
  3. 99
  4. 57
  5. 2254
  6. 108
  7. 245
  8. 99
  9. 27
  10. 45
  11. 3960
  12. 147
  13. 3920
  14. 3626
  15. 392
  16. 116
  17. 203
  18. 95
  19. 637
  20. 108
  21. 319
  22. 245
  23. 2450
  24. 2277
  25. 2646
  26. 27
  27. 2178
  28. 490
  29. 135
  30. 1666
  31. 99
  32. 126
  33. 27
  34. 57
  35. 3564
  36. 392
  37. 3234
  38. 1568
  39. 90
  40. 171

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