← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 89 · 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. 2.22 × 98 =
  3. 3.6 × 9 =
  4. 4.11 × 9 =
  5. 5.8 × 9 =
  6. 6.11 × 9 =
  7. 7.13 × 9 =
  8. 8.8 × 9 =
  9. 9.6 × 29 =
  10. 10.10 × 49 =
  11. 11.3 × 9 =
  12. 12.14 × 19 =
  13. 13.4 × 29 =
  14. 14.15 × 9 =
  15. 15.9 × 98 =
  16. 16.6 × 29 =
  17. 17.40 × 98 =
  18. 18.6 × 19 =
  19. 19.13 × 9 =
  20. 20.7 × 19 =
  21. 21.12 × 29 =
  22. 22.12 × 19 =
  23. 23.14 × 49 =
  24. 24.15 × 29 =
  25. 25.5 × 49 =
  26. 26.5 × 19 =
  27. 27.5 × 19 =
  28. 28.13 × 49 =
  29. 29.13 × 49 =
  30. 30.5 × 49 =
  31. 31.3 × 9 =
  32. 32.8 × 29 =
  33. 33.5 × 49 =
  34. 34.14 × 19 =
  35. 35.3 × 19 =
  36. 36.8 × 49 =
  37. 37.12 × 49 =
  38. 38.14 × 99 =
  39. 39.11 × 98 =
  40. 40.8 × 49 =

Answer key

  1. 392
  2. 2156
  3. 54
  4. 99
  5. 72
  6. 99
  7. 117
  8. 72
  9. 174
  10. 490
  11. 27
  12. 266
  13. 116
  14. 135
  15. 882
  16. 174
  17. 3920
  18. 114
  19. 117
  20. 133
  21. 348
  22. 228
  23. 686
  24. 435
  25. 245
  26. 95
  27. 95
  28. 637
  29. 637
  30. 245
  31. 27
  32. 232
  33. 245
  34. 266
  35. 57
  36. 392
  37. 588
  38. 1386
  39. 1078
  40. 392

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