← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 494 · 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. 1.22 × 98 =
  2. 2.5 × 9 =
  3. 3.13 × 49 =
  4. 4.4 × 99 =
  5. 5.9 × 19 =
  6. 6.10 × 98 =
  7. 7.7 × 49 =
  8. 8.12 × 19 =
  9. 9.13 × 49 =
  10. 10.8 × 19 =
  11. 11.12 × 49 =
  12. 12.12 × 19 =
  13. 13.29 × 98 =
  14. 14.11 × 9 =
  15. 15.14 × 9 =
  16. 16.4 × 29 =
  17. 17.12 × 98 =
  18. 18.28 × 99 =
  19. 19.14 × 29 =
  20. 20.7 × 29 =
  21. 21.12 × 9 =
  22. 22.3 × 49 =
  23. 23.13 × 29 =
  24. 24.7 × 9 =
  25. 25.11 × 29 =
  26. 26.3 × 29 =
  27. 27.3 × 19 =
  28. 28.10 × 49 =
  29. 29.5 × 9 =
  30. 30.8 × 29 =
  31. 31.10 × 29 =
  32. 32.16 × 99 =
  33. 33.12 × 29 =
  34. 34.8 × 9 =
  35. 35.11 × 99 =
  36. 36.7 × 9 =
  37. 37.12 × 9 =
  38. 38.11 × 49 =
  39. 39.15 × 29 =
  40. 40.11 × 9 =

Answer key

  1. 2156
  2. 45
  3. 637
  4. 396
  5. 171
  6. 980
  7. 343
  8. 228
  9. 637
  10. 152
  11. 588
  12. 228
  13. 2842
  14. 99
  15. 126
  16. 116
  17. 1176
  18. 2772
  19. 406
  20. 203
  21. 108
  22. 147
  23. 377
  24. 63
  25. 319
  26. 87
  27. 57
  28. 490
  29. 45
  30. 232
  31. 290
  32. 1584
  33. 348
  34. 72
  35. 1089
  36. 63
  37. 108
  38. 539
  39. 435
  40. 99

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