← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 763 · 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 × 49 =
  2. 2.12 × 29 =
  3. 3.3 × 9 =
  4. 4.15 × 9 =
  5. 5.6 × 9 =
  6. 6.4 × 19 =
  7. 7.12 × 19 =
  8. 8.29 × 99 =
  9. 9.15 × 19 =
  10. 10.4 × 29 =
  11. 11.37 × 99 =
  12. 12.11 × 29 =
  13. 13.3 × 9 =
  14. 14.15 × 9 =
  15. 15.6 × 99 =
  16. 16.25 × 99 =
  17. 17.19 × 99 =
  18. 18.11 × 98 =
  19. 19.11 × 19 =
  20. 20.9 × 49 =
  21. 21.13 × 9 =
  22. 22.22 × 98 =
  23. 23.20 × 99 =
  24. 24.38 × 99 =
  25. 25.13 × 29 =
  26. 26.15 × 9 =
  27. 27.12 × 19 =
  28. 28.14 × 9 =
  29. 29.5 × 29 =
  30. 30.15 × 9 =
  31. 31.10 × 9 =
  32. 32.7 × 98 =
  33. 33.14 × 9 =
  34. 34.8 × 19 =
  35. 35.21 × 98 =
  36. 36.7 × 29 =
  37. 37.5 × 99 =
  38. 38.12 × 49 =
  39. 39.10 × 29 =
  40. 40.4 × 29 =

Answer key

  1. 392
  2. 348
  3. 27
  4. 135
  5. 54
  6. 76
  7. 228
  8. 2871
  9. 285
  10. 116
  11. 3663
  12. 319
  13. 27
  14. 135
  15. 594
  16. 2475
  17. 1881
  18. 1078
  19. 209
  20. 441
  21. 117
  22. 2156
  23. 1980
  24. 3762
  25. 377
  26. 135
  27. 228
  28. 126
  29. 145
  30. 135
  31. 90
  32. 686
  33. 126
  34. 152
  35. 2058
  36. 203
  37. 495
  38. 588
  39. 290
  40. 116

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