← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 366 · 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. 1.9 × 29 =
  2. 2.11 × 29 =
  3. 3.14 × 29 =
  4. 4.4 × 49 =
  5. 5.8 × 9 =
  6. 6.12 × 49 =
  7. 7.12 × 9 =
  8. 8.13 × 29 =
  9. 9.39 × 98 =
  10. 10.12 × 9 =
  11. 11.6 × 49 =
  12. 12.7 × 19 =
  13. 13.12 × 19 =
  14. 14.6 × 29 =
  15. 15.8 × 49 =
  16. 16.29 × 99 =
  17. 17.12 × 9 =
  18. 18.10 × 49 =
  19. 19.7 × 98 =
  20. 20.10 × 9 =
  21. 21.5 × 99 =
  22. 22.14 × 9 =
  23. 23.6 × 9 =
  24. 24.9 × 29 =
  25. 25.8 × 99 =
  26. 26.15 × 99 =
  27. 27.3 × 99 =
  28. 28.12 × 19 =
  29. 29.4 × 98 =
  30. 30.26 × 99 =
  31. 31.14 × 99 =
  32. 32.10 × 9 =
  33. 33.5 × 99 =
  34. 34.17 × 98 =
  35. 35.6 × 29 =
  36. 36.9 × 9 =
  37. 37.4 × 29 =
  38. 38.7 × 9 =
  39. 39.4 × 49 =
  40. 40.31 × 98 =

Answer key

  1. 261
  2. 319
  3. 406
  4. 196
  5. 72
  6. 588
  7. 108
  8. 377
  9. 3822
  10. 108
  11. 294
  12. 133
  13. 228
  14. 174
  15. 392
  16. 2871
  17. 108
  18. 490
  19. 686
  20. 90
  21. 495
  22. 126
  23. 54
  24. 261
  25. 792
  26. 1485
  27. 297
  28. 228
  29. 392
  30. 2574
  31. 1386
  32. 90
  33. 495
  34. 1666
  35. 174
  36. 81
  37. 116
  38. 63
  39. 196
  40. 3038

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