← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 87 · 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. 1.15 × 49 =
  2. 2.12 × 9 =
  3. 3.17 × 98 =
  4. 4.15 × 49 =
  5. 5.8 × 9 =
  6. 6.15 × 29 =
  7. 7.5 × 29 =
  8. 8.11 × 49 =
  9. 9.30 × 99 =
  10. 10.4 × 29 =
  11. 11.7 × 98 =
  12. 12.8 × 49 =
  13. 13.12 × 9 =
  14. 14.13 × 9 =
  15. 15.4 × 49 =
  16. 16.37 × 98 =
  17. 17.10 × 9 =
  18. 18.10 × 9 =
  19. 19.11 × 98 =
  20. 20.4 × 29 =
  21. 21.3 × 9 =
  22. 22.5 × 49 =
  23. 23.4 × 19 =
  24. 24.3 × 9 =
  25. 25.24 × 98 =
  26. 26.10 × 19 =
  27. 27.3 × 29 =
  28. 28.11 × 9 =
  29. 29.10 × 49 =
  30. 30.4 × 49 =
  31. 31.16 × 98 =
  32. 32.4 × 19 =
  33. 33.14 × 9 =
  34. 34.5 × 19 =
  35. 35.30 × 98 =
  36. 36.3 × 19 =
  37. 37.6 × 99 =
  38. 38.39 × 98 =
  39. 39.8 × 9 =
  40. 40.10 × 19 =

Answer key

  1. 735
  2. 108
  3. 1666
  4. 735
  5. 72
  6. 435
  7. 145
  8. 539
  9. 2970
  10. 116
  11. 686
  12. 392
  13. 108
  14. 117
  15. 196
  16. 3626
  17. 90
  18. 90
  19. 1078
  20. 116
  21. 27
  22. 245
  23. 76
  24. 27
  25. 2352
  26. 190
  27. 87
  28. 99
  29. 490
  30. 196
  31. 1568
  32. 76
  33. 126
  34. 95
  35. 2940
  36. 57
  37. 594
  38. 3822
  39. 72
  40. 190

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