← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 910 · 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 × 49 =
  2. 2.33 × 98 =
  3. 3.11 × 99 =
  4. 4.11 × 9 =
  5. 5.4 × 49 =
  6. 6.9 × 9 =
  7. 7.39 × 99 =
  8. 8.8 × 9 =
  9. 9.18 × 99 =
  10. 10.28 × 99 =
  11. 11.6 × 98 =
  12. 12.7 × 19 =
  13. 13.9 × 99 =
  14. 14.22 × 98 =
  15. 15.36 × 98 =
  16. 16.14 × 9 =
  17. 17.25 × 99 =
  18. 18.9 × 9 =
  19. 19.15 × 29 =
  20. 20.11 × 29 =
  21. 21.7 × 98 =
  22. 22.11 × 49 =
  23. 23.12 × 49 =
  24. 24.14 × 29 =
  25. 25.19 × 99 =
  26. 26.15 × 29 =
  27. 27.12 × 9 =
  28. 28.34 × 99 =
  29. 29.6 × 19 =
  30. 30.12 × 19 =
  31. 31.13 × 29 =
  32. 32.7 × 9 =
  33. 33.14 × 9 =
  34. 34.12 × 19 =
  35. 35.12 × 29 =
  36. 36.12 × 9 =
  37. 37.36 × 99 =
  38. 38.3 × 49 =
  39. 39.7 × 19 =
  40. 40.27 × 99 =

Answer key

  1. 637
  2. 3234
  3. 1089
  4. 99
  5. 196
  6. 81
  7. 3861
  8. 72
  9. 1782
  10. 2772
  11. 588
  12. 133
  13. 891
  14. 2156
  15. 3528
  16. 126
  17. 2475
  18. 81
  19. 435
  20. 319
  21. 686
  22. 539
  23. 588
  24. 406
  25. 1881
  26. 435
  27. 108
  28. 3366
  29. 114
  30. 228
  31. 377
  32. 63
  33. 126
  34. 228
  35. 348
  36. 108
  37. 3564
  38. 147
  39. 133
  40. 2673

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