← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 32 · 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. 1.7 × 9 =
  2. 2.10 × 29 =
  3. 3.8 × 9 =
  4. 4.6 × 9 =
  5. 5.3 × 9 =
  6. 6.14 × 9 =
  7. 7.8 × 9 =
  8. 8.9 × 19 =
  9. 9.4 × 9 =
  10. 10.9 × 9 =
  11. 11.13 × 9 =
  12. 12.6 × 19 =
  13. 13.8 × 19 =
  14. 14.9 × 9 =
  15. 15.10 × 49 =
  16. 16.3 × 9 =
  17. 17.14 × 9 =
  18. 18.6 × 49 =
  19. 19.3 × 9 =
  20. 20.4 × 49 =
  21. 21.3 × 19 =
  22. 22.10 × 29 =
  23. 23.10 × 19 =
  24. 24.10 × 9 =
  25. 25.4 × 29 =
  26. 26.33 × 98 =
  27. 27.14 × 19 =
  28. 28.7 × 19 =
  29. 29.14 × 29 =
  30. 30.8 × 19 =
  31. 31.8 × 9 =
  32. 32.5 × 19 =
  33. 33.7 × 49 =
  34. 34.12 × 98 =
  35. 35.9 × 9 =
  36. 36.14 × 49 =
  37. 37.5 × 29 =
  38. 38.5 × 29 =
  39. 39.15 × 29 =
  40. 40.9 × 49 =

Answer key

  1. 63
  2. 290
  3. 72
  4. 54
  5. 27
  6. 126
  7. 72
  8. 171
  9. 36
  10. 81
  11. 117
  12. 114
  13. 152
  14. 81
  15. 490
  16. 27
  17. 126
  18. 294
  19. 27
  20. 196
  21. 57
  22. 290
  23. 190
  24. 90
  25. 116
  26. 3234
  27. 266
  28. 133
  29. 406
  30. 152
  31. 72
  32. 95
  33. 343
  34. 1176
  35. 81
  36. 686
  37. 145
  38. 145
  39. 435
  40. 441

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