← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 733 · 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. 1.8 × 29 =
  2. 2.13 × 19 =
  3. 3.3 × 19 =
  4. 4.13 × 19 =
  5. 5.7 × 49 =
  6. 6.37 × 99 =
  7. 7.15 × 29 =
  8. 8.14 × 19 =
  9. 9.15 × 98 =
  10. 10.35 × 99 =
  11. 11.12 × 19 =
  12. 12.5 × 9 =
  13. 13.12 × 29 =
  14. 14.13 × 9 =
  15. 15.11 × 9 =
  16. 16.6 × 19 =
  17. 17.4 × 9 =
  18. 18.9 × 29 =
  19. 19.5 × 19 =
  20. 20.4 × 9 =
  21. 21.21 × 98 =
  22. 22.10 × 19 =
  23. 23.8 × 98 =
  24. 24.13 × 19 =
  25. 25.14 × 29 =
  26. 26.8 × 9 =
  27. 27.15 × 49 =
  28. 28.9 × 9 =
  29. 29.10 × 19 =
  30. 30.8 × 19 =
  31. 31.8 × 9 =
  32. 32.40 × 99 =
  33. 33.8 × 29 =
  34. 34.14 × 19 =
  35. 35.38 × 98 =
  36. 36.6 × 49 =
  37. 37.3 × 9 =
  38. 38.15 × 49 =
  39. 39.5 × 9 =
  40. 40.3 × 19 =

Answer key

  1. 232
  2. 247
  3. 57
  4. 247
  5. 343
  6. 3663
  7. 435
  8. 266
  9. 1470
  10. 3465
  11. 228
  12. 45
  13. 348
  14. 117
  15. 99
  16. 114
  17. 36
  18. 261
  19. 95
  20. 36
  21. 2058
  22. 190
  23. 784
  24. 247
  25. 406
  26. 72
  27. 735
  28. 81
  29. 190
  30. 152
  31. 72
  32. 3960
  33. 232
  34. 266
  35. 3724
  36. 294
  37. 27
  38. 735
  39. 45
  40. 57

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