← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 384 · 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. 1.34 × 99 =
  2. 2.14 × 19 =
  3. 3.6 × 49 =
  4. 4.13 × 99 =
  5. 5.8 × 99 =
  6. 6.14 × 49 =
  7. 7.4 × 49 =
  8. 8.27 × 99 =
  9. 9.15 × 49 =
  10. 10.25 × 99 =
  11. 11.5 × 9 =
  12. 12.4 × 19 =
  13. 13.9 × 29 =
  14. 14.8 × 9 =
  15. 15.17 × 98 =
  16. 16.13 × 9 =
  17. 17.13 × 9 =
  18. 18.15 × 49 =
  19. 19.12 × 49 =
  20. 20.12 × 49 =
  21. 21.6 × 99 =
  22. 22.34 × 98 =
  23. 23.5 × 49 =
  24. 24.5 × 49 =
  25. 25.8 × 49 =
  26. 26.15 × 98 =
  27. 27.14 × 99 =
  28. 28.6 × 9 =
  29. 29.11 × 9 =
  30. 30.9 × 19 =
  31. 31.14 × 29 =
  32. 32.8 × 98 =
  33. 33.8 × 49 =
  34. 34.15 × 19 =
  35. 35.13 × 9 =
  36. 36.17 × 98 =
  37. 37.19 × 99 =
  38. 38.4 × 19 =
  39. 39.4 × 19 =
  40. 40.4 × 19 =

Answer key

  1. 3366
  2. 266
  3. 294
  4. 1287
  5. 792
  6. 686
  7. 196
  8. 2673
  9. 735
  10. 2475
  11. 45
  12. 76
  13. 261
  14. 72
  15. 1666
  16. 117
  17. 117
  18. 735
  19. 588
  20. 588
  21. 594
  22. 3332
  23. 245
  24. 245
  25. 392
  26. 1470
  27. 1386
  28. 54
  29. 99
  30. 171
  31. 406
  32. 784
  33. 392
  34. 285
  35. 117
  36. 1666
  37. 1881
  38. 76
  39. 76
  40. 76

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