← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 248 · 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 × 29 =
  2. 2.3 × 29 =
  3. 3.35 × 98 =
  4. 4.6 × 19 =
  5. 5.3 × 19 =
  6. 6.9 × 49 =
  7. 7.5 × 49 =
  8. 8.3 × 49 =
  9. 9.3 × 29 =
  10. 10.40 × 98 =
  11. 11.11 × 49 =
  12. 12.13 × 49 =
  13. 13.3 × 19 =
  14. 14.5 × 99 =
  15. 15.3 × 29 =
  16. 16.24 × 99 =
  17. 17.5 × 19 =
  18. 18.7 × 9 =
  19. 19.11 × 98 =
  20. 20.9 × 99 =
  21. 21.9 × 49 =
  22. 22.14 × 49 =
  23. 23.12 × 19 =
  24. 24.6 × 49 =
  25. 25.4 × 49 =
  26. 26.3 × 19 =
  27. 27.7 × 29 =
  28. 28.23 × 98 =
  29. 29.26 × 98 =
  30. 30.13 × 49 =
  31. 31.20 × 99 =
  32. 32.7 × 29 =
  33. 33.15 × 98 =
  34. 34.4 × 19 =
  35. 35.11 × 98 =
  36. 36.13 × 29 =
  37. 37.15 × 9 =
  38. 38.4 × 9 =
  39. 39.10 × 49 =
  40. 40.11 × 19 =

Answer key

  1. 203
  2. 87
  3. 3430
  4. 114
  5. 57
  6. 441
  7. 245
  8. 147
  9. 87
  10. 3920
  11. 539
  12. 637
  13. 57
  14. 495
  15. 87
  16. 2376
  17. 95
  18. 63
  19. 1078
  20. 891
  21. 441
  22. 686
  23. 228
  24. 294
  25. 196
  26. 57
  27. 203
  28. 2254
  29. 2548
  30. 637
  31. 1980
  32. 203
  33. 1470
  34. 76
  35. 1078
  36. 377
  37. 135
  38. 36
  39. 490
  40. 209

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