← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 741 · 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. 1.4 × 29 =
  2. 2.9 × 19 =
  3. 3.15 × 9 =
  4. 4.6 × 29 =
  5. 5.14 × 98 =
  6. 6.34 × 99 =
  7. 7.4 × 29 =
  8. 8.6 × 9 =
  9. 9.12 × 29 =
  10. 10.22 × 99 =
  11. 11.13 × 29 =
  12. 12.4 × 9 =
  13. 13.4 × 49 =
  14. 14.7 × 9 =
  15. 15.11 × 19 =
  16. 16.30 × 98 =
  17. 17.15 × 29 =
  18. 18.18 × 98 =
  19. 19.9 × 99 =
  20. 20.9 × 9 =
  21. 21.13 × 99 =
  22. 22.3 × 49 =
  23. 23.10 × 19 =
  24. 24.15 × 9 =
  25. 25.10 × 9 =
  26. 26.30 × 99 =
  27. 27.14 × 29 =
  28. 28.23 × 98 =
  29. 29.8 × 9 =
  30. 30.5 × 29 =
  31. 31.8 × 49 =
  32. 32.15 × 9 =
  33. 33.17 × 99 =
  34. 34.4 × 19 =
  35. 35.12 × 19 =
  36. 36.16 × 99 =
  37. 37.14 × 29 =
  38. 38.3 × 9 =
  39. 39.6 × 29 =
  40. 40.16 × 99 =

Answer key

  1. 116
  2. 171
  3. 135
  4. 174
  5. 1372
  6. 3366
  7. 116
  8. 54
  9. 348
  10. 2178
  11. 377
  12. 36
  13. 196
  14. 63
  15. 209
  16. 2940
  17. 435
  18. 1764
  19. 891
  20. 81
  21. 1287
  22. 147
  23. 190
  24. 135
  25. 90
  26. 2970
  27. 406
  28. 2254
  29. 72
  30. 145
  31. 392
  32. 135
  33. 1683
  34. 76
  35. 228
  36. 1584
  37. 406
  38. 27
  39. 174
  40. 1584

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