← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 783 · 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. 1.13 × 19 =
  2. 2.3 × 9 =
  3. 3.31 × 99 =
  4. 4.5 × 49 =
  5. 5.6 × 99 =
  6. 6.9 × 19 =
  7. 7.15 × 19 =
  8. 8.8 × 29 =
  9. 9.8 × 49 =
  10. 10.9 × 49 =
  11. 11.5 × 9 =
  12. 12.12 × 19 =
  13. 13.17 × 99 =
  14. 14.6 × 29 =
  15. 15.9 × 99 =
  16. 16.13 × 99 =
  17. 17.14 × 19 =
  18. 18.23 × 98 =
  19. 19.10 × 49 =
  20. 20.12 × 19 =
  21. 21.7 × 49 =
  22. 22.26 × 99 =
  23. 23.5 × 29 =
  24. 24.23 × 98 =
  25. 25.8 × 9 =
  26. 26.7 × 19 =
  27. 27.11 × 29 =
  28. 28.15 × 29 =
  29. 29.13 × 99 =
  30. 30.11 × 9 =
  31. 31.6 × 29 =
  32. 32.7 × 29 =
  33. 33.11 × 29 =
  34. 34.30 × 98 =
  35. 35.8 × 9 =
  36. 36.11 × 9 =
  37. 37.3 × 9 =
  38. 38.14 × 98 =
  39. 39.6 × 99 =
  40. 40.32 × 99 =

Answer key

  1. 247
  2. 27
  3. 3069
  4. 245
  5. 594
  6. 171
  7. 285
  8. 232
  9. 392
  10. 441
  11. 45
  12. 228
  13. 1683
  14. 174
  15. 891
  16. 1287
  17. 266
  18. 2254
  19. 490
  20. 228
  21. 343
  22. 2574
  23. 145
  24. 2254
  25. 72
  26. 133
  27. 319
  28. 435
  29. 1287
  30. 99
  31. 174
  32. 203
  33. 319
  34. 2940
  35. 72
  36. 99
  37. 27
  38. 1372
  39. 594
  40. 3168

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