← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 967 · 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. 1.10 × 98 =
  2. 2.14 × 9 =
  3. 3.15 × 19 =
  4. 4.9 × 49 =
  5. 5.12 × 19 =
  6. 6.15 × 19 =
  7. 7.15 × 29 =
  8. 8.8 × 98 =
  9. 9.6 × 9 =
  10. 10.30 × 98 =
  11. 11.8 × 19 =
  12. 12.27 × 99 =
  13. 13.3 × 9 =
  14. 14.13 × 99 =
  15. 15.14 × 29 =
  16. 16.4 × 19 =
  17. 17.14 × 98 =
  18. 18.11 × 9 =
  19. 19.37 × 98 =
  20. 20.34 × 98 =
  21. 21.10 × 98 =
  22. 22.11 × 19 =
  23. 23.5 × 29 =
  24. 24.4 × 49 =
  25. 25.3 × 29 =
  26. 26.3 × 29 =
  27. 27.3 × 29 =
  28. 28.3 × 9 =
  29. 29.25 × 98 =
  30. 30.6 × 19 =
  31. 31.4 × 9 =
  32. 32.4 × 19 =
  33. 33.14 × 9 =
  34. 34.13 × 19 =
  35. 35.8 × 29 =
  36. 36.6 × 9 =
  37. 37.8 × 29 =
  38. 38.30 × 98 =
  39. 39.26 × 99 =
  40. 40.20 × 99 =

Answer key

  1. 980
  2. 126
  3. 285
  4. 441
  5. 228
  6. 285
  7. 435
  8. 784
  9. 54
  10. 2940
  11. 152
  12. 2673
  13. 27
  14. 1287
  15. 406
  16. 76
  17. 1372
  18. 99
  19. 3626
  20. 3332
  21. 980
  22. 209
  23. 145
  24. 196
  25. 87
  26. 87
  27. 87
  28. 27
  29. 2450
  30. 114
  31. 36
  32. 76
  33. 126
  34. 247
  35. 232
  36. 54
  37. 232
  38. 2940
  39. 2574
  40. 1980

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