← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 272 · 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. 1.6 × 29 =
  2. 2.7 × 9 =
  3. 3.3 × 19 =
  4. 4.3 × 29 =
  5. 5.4 × 29 =
  6. 6.11 × 19 =
  7. 7.22 × 98 =
  8. 8.10 × 19 =
  9. 9.8 × 19 =
  10. 10.3 × 29 =
  11. 11.9 × 9 =
  12. 12.12 × 98 =
  13. 13.5 × 19 =
  14. 14.5 × 9 =
  15. 15.7 × 29 =
  16. 16.15 × 19 =
  17. 17.11 × 29 =
  18. 18.14 × 49 =
  19. 19.12 × 49 =
  20. 20.4 × 98 =
  21. 21.14 × 9 =
  22. 22.15 × 98 =
  23. 23.17 × 98 =
  24. 24.40 × 99 =
  25. 25.3 × 19 =
  26. 26.37 × 98 =
  27. 27.20 × 99 =
  28. 28.33 × 98 =
  29. 29.15 × 49 =
  30. 30.4 × 19 =
  31. 31.14 × 9 =
  32. 32.9 × 9 =
  33. 33.8 × 9 =
  34. 34.15 × 99 =
  35. 35.10 × 49 =
  36. 36.11 × 19 =
  37. 37.9 × 49 =
  38. 38.14 × 9 =
  39. 39.4 × 49 =
  40. 40.12 × 99 =

Answer key

  1. 174
  2. 63
  3. 57
  4. 87
  5. 116
  6. 209
  7. 2156
  8. 190
  9. 152
  10. 87
  11. 81
  12. 1176
  13. 95
  14. 45
  15. 203
  16. 285
  17. 319
  18. 686
  19. 588
  20. 392
  21. 126
  22. 1470
  23. 1666
  24. 3960
  25. 57
  26. 3626
  27. 1980
  28. 3234
  29. 735
  30. 76
  31. 126
  32. 81
  33. 72
  34. 1485
  35. 490
  36. 209
  37. 441
  38. 126
  39. 196
  40. 1188

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