← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 965 · 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. 1.12 × 19 =
  2. 2.38 × 98 =
  3. 3.7 × 98 =
  4. 4.14 × 99 =
  5. 5.13 × 19 =
  6. 6.35 × 99 =
  7. 7.12 × 9 =
  8. 8.11 × 9 =
  9. 9.28 × 99 =
  10. 10.6 × 29 =
  11. 11.21 × 99 =
  12. 12.4 × 49 =
  13. 13.9 × 9 =
  14. 14.14 × 29 =
  15. 15.11 × 29 =
  16. 16.10 × 9 =
  17. 17.6 × 49 =
  18. 18.6 × 99 =
  19. 19.3 × 9 =
  20. 20.3 × 19 =
  21. 21.14 × 9 =
  22. 22.9 × 19 =
  23. 23.14 × 19 =
  24. 24.9 × 98 =
  25. 25.3 × 49 =
  26. 26.7 × 19 =
  27. 27.12 × 19 =
  28. 28.5 × 9 =
  29. 29.8 × 19 =
  30. 30.6 × 49 =
  31. 31.13 × 98 =
  32. 32.5 × 29 =
  33. 33.8 × 98 =
  34. 34.12 × 9 =
  35. 35.6 × 49 =
  36. 36.37 × 99 =
  37. 37.5 × 99 =
  38. 38.12 × 29 =
  39. 39.7 × 19 =
  40. 40.3 × 99 =

Answer key

  1. 228
  2. 3724
  3. 686
  4. 1386
  5. 247
  6. 3465
  7. 108
  8. 99
  9. 2772
  10. 174
  11. 2079
  12. 196
  13. 81
  14. 406
  15. 319
  16. 90
  17. 294
  18. 594
  19. 27
  20. 57
  21. 126
  22. 171
  23. 266
  24. 882
  25. 147
  26. 133
  27. 228
  28. 45
  29. 152
  30. 294
  31. 1274
  32. 145
  33. 784
  34. 108
  35. 294
  36. 3663
  37. 495
  38. 348
  39. 133
  40. 297

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