← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 750 · 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. 1.12 × 19 =
  2. 2.4 × 19 =
  3. 3.6 × 9 =
  4. 4.13 × 49 =
  5. 5.6 × 9 =
  6. 6.5 × 9 =
  7. 7.15 × 9 =
  8. 8.28 × 98 =
  9. 9.8 × 29 =
  10. 10.3 × 49 =
  11. 11.5 × 29 =
  12. 12.10 × 9 =
  13. 13.12 × 29 =
  14. 14.13 × 19 =
  15. 15.4 × 19 =
  16. 16.6 × 49 =
  17. 17.5 × 19 =
  18. 18.28 × 98 =
  19. 19.30 × 99 =
  20. 20.9 × 19 =
  21. 21.12 × 19 =
  22. 22.5 × 9 =
  23. 23.3 × 9 =
  24. 24.8 × 9 =
  25. 25.9 × 9 =
  26. 26.6 × 19 =
  27. 27.9 × 49 =
  28. 28.11 × 19 =
  29. 29.7 × 9 =
  30. 30.32 × 99 =
  31. 31.35 × 98 =
  32. 32.11 × 49 =
  33. 33.5 × 29 =
  34. 34.8 × 29 =
  35. 35.18 × 98 =
  36. 36.13 × 29 =
  37. 37.35 × 98 =
  38. 38.6 × 49 =
  39. 39.13 × 29 =
  40. 40.34 × 98 =

Answer key

  1. 228
  2. 76
  3. 54
  4. 637
  5. 54
  6. 45
  7. 135
  8. 2744
  9. 232
  10. 147
  11. 145
  12. 90
  13. 348
  14. 247
  15. 76
  16. 294
  17. 95
  18. 2744
  19. 2970
  20. 171
  21. 228
  22. 45
  23. 27
  24. 72
  25. 81
  26. 114
  27. 441
  28. 209
  29. 63
  30. 3168
  31. 3430
  32. 539
  33. 145
  34. 232
  35. 1764
  36. 377
  37. 3430
  38. 294
  39. 377
  40. 3332

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