← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 358 · 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 × 29 =
  2. 2.6 × 19 =
  3. 3.15 × 99 =
  4. 4.26 × 98 =
  5. 5.24 × 98 =
  6. 6.13 × 29 =
  7. 7.9 × 9 =
  8. 8.4 × 19 =
  9. 9.27 × 99 =
  10. 10.9 × 29 =
  11. 11.4 × 49 =
  12. 12.7 × 19 =
  13. 13.14 × 49 =
  14. 14.12 × 49 =
  15. 15.9 × 49 =
  16. 16.4 × 9 =
  17. 17.14 × 29 =
  18. 18.12 × 49 =
  19. 19.14 × 49 =
  20. 20.5 × 9 =
  21. 21.10 × 9 =
  22. 22.9 × 9 =
  23. 23.5 × 19 =
  24. 24.15 × 9 =
  25. 25.31 × 98 =
  26. 26.7 × 19 =
  27. 27.6 × 19 =
  28. 28.14 × 9 =
  29. 29.6 × 29 =
  30. 30.17 × 99 =
  31. 31.7 × 9 =
  32. 32.24 × 99 =
  33. 33.7 × 19 =
  34. 34.13 × 49 =
  35. 35.9 × 9 =
  36. 36.20 × 98 =
  37. 37.39 × 98 =
  38. 38.40 × 99 =
  39. 39.15 × 29 =
  40. 40.4 × 49 =

Answer key

  1. 377
  2. 114
  3. 1485
  4. 2548
  5. 2352
  6. 377
  7. 81
  8. 76
  9. 2673
  10. 261
  11. 196
  12. 133
  13. 686
  14. 588
  15. 441
  16. 36
  17. 406
  18. 588
  19. 686
  20. 45
  21. 90
  22. 81
  23. 95
  24. 135
  25. 3038
  26. 133
  27. 114
  28. 126
  29. 174
  30. 1683
  31. 63
  32. 2376
  33. 133
  34. 637
  35. 81
  36. 1960
  37. 3822
  38. 3960
  39. 435
  40. 196

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