← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 133 · 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 × 99 =
  2. 2.10 × 98 =
  3. 3.9 × 19 =
  4. 4.8 × 29 =
  5. 5.27 × 98 =
  6. 6.11 × 98 =
  7. 7.13 × 9 =
  8. 8.7 × 98 =
  9. 9.6 × 9 =
  10. 10.4 × 49 =
  11. 11.5 × 19 =
  12. 12.38 × 99 =
  13. 13.21 × 98 =
  14. 14.3 × 49 =
  15. 15.12 × 49 =
  16. 16.5 × 19 =
  17. 17.11 × 49 =
  18. 18.4 × 29 =
  19. 19.3 × 9 =
  20. 20.15 × 9 =
  21. 21.6 × 19 =
  22. 22.15 × 49 =
  23. 23.7 × 29 =
  24. 24.7 × 98 =
  25. 25.14 × 98 =
  26. 26.14 × 9 =
  27. 27.4 × 9 =
  28. 28.6 × 49 =
  29. 29.13 × 98 =
  30. 30.12 × 19 =
  31. 31.3 × 9 =
  32. 32.13 × 29 =
  33. 33.10 × 29 =
  34. 34.13 × 19 =
  35. 35.10 × 98 =
  36. 36.4 × 19 =
  37. 37.10 × 29 =
  38. 38.12 × 9 =
  39. 39.12 × 49 =
  40. 40.7 × 9 =

Answer key

  1. 1287
  2. 980
  3. 171
  4. 232
  5. 2646
  6. 1078
  7. 117
  8. 686
  9. 54
  10. 196
  11. 95
  12. 3762
  13. 2058
  14. 147
  15. 588
  16. 95
  17. 539
  18. 116
  19. 27
  20. 135
  21. 114
  22. 735
  23. 203
  24. 686
  25. 1372
  26. 126
  27. 36
  28. 294
  29. 1274
  30. 228
  31. 27
  32. 377
  33. 290
  34. 247
  35. 980
  36. 76
  37. 290
  38. 108
  39. 588
  40. 63

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