← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 246 · 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. 1.14 × 29 =
  2. 2.12 × 29 =
  3. 3.24 × 99 =
  4. 4.18 × 98 =
  5. 5.5 × 29 =
  6. 6.5 × 19 =
  7. 7.12 × 99 =
  8. 8.7 × 9 =
  9. 9.4 × 9 =
  10. 10.20 × 99 =
  11. 11.14 × 9 =
  12. 12.8 × 9 =
  13. 13.3 × 29 =
  14. 14.13 × 19 =
  15. 15.30 × 98 =
  16. 16.3 × 9 =
  17. 17.12 × 29 =
  18. 18.9 × 99 =
  19. 19.4 × 19 =
  20. 20.10 × 9 =
  21. 21.15 × 49 =
  22. 22.8 × 49 =
  23. 23.19 × 99 =
  24. 24.10 × 9 =
  25. 25.10 × 9 =
  26. 26.15 × 98 =
  27. 27.11 × 29 =
  28. 28.7 × 99 =
  29. 29.3 × 9 =
  30. 30.10 × 99 =
  31. 31.10 × 49 =
  32. 32.13 × 19 =
  33. 33.10 × 29 =
  34. 34.10 × 9 =
  35. 35.9 × 29 =
  36. 36.7 × 9 =
  37. 37.9 × 9 =
  38. 38.15 × 9 =
  39. 39.12 × 29 =
  40. 40.5 × 49 =

Answer key

  1. 406
  2. 348
  3. 2376
  4. 1764
  5. 145
  6. 95
  7. 1188
  8. 63
  9. 36
  10. 1980
  11. 126
  12. 72
  13. 87
  14. 247
  15. 2940
  16. 27
  17. 348
  18. 891
  19. 76
  20. 90
  21. 735
  22. 392
  23. 1881
  24. 90
  25. 90
  26. 1470
  27. 319
  28. 693
  29. 27
  30. 990
  31. 490
  32. 247
  33. 290
  34. 90
  35. 261
  36. 63
  37. 81
  38. 135
  39. 348
  40. 245

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