← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 268 · 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. 1.3 × 29 =
  2. 2.6 × 9 =
  3. 3.3 × 19 =
  4. 4.8 × 19 =
  5. 5.7 × 98 =
  6. 6.27 × 99 =
  7. 7.10 × 9 =
  8. 8.5 × 29 =
  9. 9.12 × 98 =
  10. 10.5 × 29 =
  11. 11.6 × 98 =
  12. 12.14 × 49 =
  13. 13.9 × 19 =
  14. 14.24 × 98 =
  15. 15.12 × 19 =
  16. 16.3 × 98 =
  17. 17.26 × 98 =
  18. 18.15 × 98 =
  19. 19.5 × 9 =
  20. 20.11 × 19 =
  21. 21.8 × 29 =
  22. 22.13 × 49 =
  23. 23.8 × 29 =
  24. 24.11 × 29 =
  25. 25.8 × 9 =
  26. 26.9 × 19 =
  27. 27.10 × 29 =
  28. 28.36 × 99 =
  29. 29.13 × 9 =
  30. 30.15 × 29 =
  31. 31.12 × 98 =
  32. 32.34 × 99 =
  33. 33.13 × 9 =
  34. 34.37 × 99 =
  35. 35.13 × 9 =
  36. 36.8 × 9 =
  37. 37.21 × 98 =
  38. 38.4 × 29 =
  39. 39.4 × 9 =
  40. 40.15 × 19 =

Answer key

  1. 87
  2. 54
  3. 57
  4. 152
  5. 686
  6. 2673
  7. 90
  8. 145
  9. 1176
  10. 145
  11. 588
  12. 686
  13. 171
  14. 2352
  15. 228
  16. 294
  17. 2548
  18. 1470
  19. 45
  20. 209
  21. 232
  22. 637
  23. 232
  24. 319
  25. 72
  26. 171
  27. 290
  28. 3564
  29. 117
  30. 435
  31. 1176
  32. 3366
  33. 117
  34. 3663
  35. 117
  36. 72
  37. 2058
  38. 116
  39. 36
  40. 285

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