← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 730 · 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. 2.7 × 29 =
  3. 3.8 × 19 =
  4. 4.9 × 98 =
  5. 5.8 × 19 =
  6. 6.10 × 19 =
  7. 7.10 × 98 =
  8. 8.15 × 49 =
  9. 9.15 × 9 =
  10. 10.8 × 29 =
  11. 11.8 × 9 =
  12. 12.11 × 29 =
  13. 13.7 × 99 =
  14. 14.6 × 19 =
  15. 15.13 × 9 =
  16. 16.8 × 9 =
  17. 17.15 × 49 =
  18. 18.17 × 99 =
  19. 19.3 × 49 =
  20. 20.11 × 9 =
  21. 21.13 × 9 =
  22. 22.3 × 29 =
  23. 23.8 × 29 =
  24. 24.10 × 49 =
  25. 25.4 × 49 =
  26. 26.11 × 9 =
  27. 27.6 × 9 =
  28. 28.10 × 49 =
  29. 29.4 × 98 =
  30. 30.4 × 49 =
  31. 31.3 × 29 =
  32. 32.8 × 19 =
  33. 33.13 × 49 =
  34. 34.28 × 98 =
  35. 35.10 × 19 =
  36. 36.17 × 98 =
  37. 37.3 × 49 =
  38. 38.8 × 19 =
  39. 39.15 × 19 =
  40. 40.12 × 9 =

Answer key

  1. 637
  2. 203
  3. 152
  4. 882
  5. 152
  6. 190
  7. 980
  8. 735
  9. 135
  10. 232
  11. 72
  12. 319
  13. 693
  14. 114
  15. 117
  16. 72
  17. 735
  18. 1683
  19. 147
  20. 99
  21. 117
  22. 87
  23. 232
  24. 490
  25. 196
  26. 99
  27. 54
  28. 490
  29. 392
  30. 196
  31. 87
  32. 152
  33. 637
  34. 2744
  35. 190
  36. 1666
  37. 147
  38. 152
  39. 285
  40. 108

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