← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 753 · 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 × 49 =
  2. 2.12 × 49 =
  3. 3.8 × 49 =
  4. 4.15 × 29 =
  5. 5.33 × 98 =
  6. 6.5 × 29 =
  7. 7.18 × 98 =
  8. 8.15 × 49 =
  9. 9.9 × 49 =
  10. 10.5 × 49 =
  11. 11.4 × 49 =
  12. 12.10 × 49 =
  13. 13.6 × 9 =
  14. 14.15 × 19 =
  15. 15.13 × 19 =
  16. 16.11 × 9 =
  17. 17.12 × 19 =
  18. 18.26 × 98 =
  19. 19.9 × 19 =
  20. 20.13 × 29 =
  21. 21.5 × 49 =
  22. 22.4 × 29 =
  23. 23.5 × 9 =
  24. 24.23 × 99 =
  25. 25.8 × 19 =
  26. 26.14 × 49 =
  27. 27.11 × 19 =
  28. 28.11 × 99 =
  29. 29.3 × 29 =
  30. 30.9 × 9 =
  31. 31.3 × 9 =
  32. 32.6 × 9 =
  33. 33.4 × 49 =
  34. 34.12 × 9 =
  35. 35.12 × 49 =
  36. 36.14 × 98 =
  37. 37.40 × 99 =
  38. 38.6 × 29 =
  39. 39.6 × 9 =
  40. 40.23 × 98 =

Answer key

  1. 147
  2. 588
  3. 392
  4. 435
  5. 3234
  6. 145
  7. 1764
  8. 735
  9. 441
  10. 245
  11. 196
  12. 490
  13. 54
  14. 285
  15. 247
  16. 99
  17. 228
  18. 2548
  19. 171
  20. 377
  21. 245
  22. 116
  23. 45
  24. 2277
  25. 152
  26. 686
  27. 209
  28. 1089
  29. 87
  30. 81
  31. 27
  32. 54
  33. 196
  34. 108
  35. 588
  36. 1372
  37. 3960
  38. 174
  39. 54
  40. 2254

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