← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 787 · 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. 1.35 × 99 =
  2. 2.25 × 99 =
  3. 3.6 × 29 =
  4. 4.3 × 19 =
  5. 5.17 × 99 =
  6. 6.6 × 49 =
  7. 7.6 × 9 =
  8. 8.36 × 98 =
  9. 9.6 × 19 =
  10. 10.14 × 19 =
  11. 11.15 × 19 =
  12. 12.5 × 49 =
  13. 13.20 × 99 =
  14. 14.25 × 98 =
  15. 15.5 × 19 =
  16. 16.9 × 49 =
  17. 17.5 × 99 =
  18. 18.11 × 9 =
  19. 19.4 × 19 =
  20. 20.7 × 19 =
  21. 21.5 × 19 =
  22. 22.11 × 29 =
  23. 23.9 × 19 =
  24. 24.9 × 9 =
  25. 25.6 × 9 =
  26. 26.8 × 19 =
  27. 27.23 × 98 =
  28. 28.32 × 98 =
  29. 29.21 × 99 =
  30. 30.6 × 9 =
  31. 31.7 × 98 =
  32. 32.12 × 98 =
  33. 33.11 × 9 =
  34. 34.4 × 9 =
  35. 35.6 × 19 =
  36. 36.33 × 98 =
  37. 37.5 × 19 =
  38. 38.10 × 9 =
  39. 39.19 × 98 =
  40. 40.6 × 19 =

Answer key

  1. 3465
  2. 2475
  3. 174
  4. 57
  5. 1683
  6. 294
  7. 54
  8. 3528
  9. 114
  10. 266
  11. 285
  12. 245
  13. 1980
  14. 2450
  15. 95
  16. 441
  17. 495
  18. 99
  19. 76
  20. 133
  21. 95
  22. 319
  23. 171
  24. 81
  25. 54
  26. 152
  27. 2254
  28. 3136
  29. 2079
  30. 54
  31. 686
  32. 1176
  33. 99
  34. 36
  35. 114
  36. 3234
  37. 95
  38. 90
  39. 1862
  40. 114

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