← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 480 · 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. 1.5 × 19 =
  2. 2.24 × 98 =
  3. 3.14 × 49 =
  4. 4.38 × 99 =
  5. 5.7 × 19 =
  6. 6.13 × 29 =
  7. 7.6 × 19 =
  8. 8.9 × 98 =
  9. 9.5 × 29 =
  10. 10.33 × 99 =
  11. 11.3 × 19 =
  12. 12.11 × 49 =
  13. 13.19 × 98 =
  14. 14.18 × 98 =
  15. 15.6 × 29 =
  16. 16.11 × 19 =
  17. 17.5 × 98 =
  18. 18.10 × 29 =
  19. 19.5 × 19 =
  20. 20.13 × 29 =
  21. 21.3 × 29 =
  22. 22.15 × 29 =
  23. 23.13 × 98 =
  24. 24.4 × 19 =
  25. 25.10 × 9 =
  26. 26.35 × 98 =
  27. 27.13 × 9 =
  28. 28.14 × 49 =
  29. 29.3 × 19 =
  30. 30.8 × 9 =
  31. 31.10 × 98 =
  32. 32.4 × 49 =
  33. 33.14 × 29 =
  34. 34.4 × 19 =
  35. 35.3 × 99 =
  36. 36.8 × 19 =
  37. 37.16 × 99 =
  38. 38.9 × 29 =
  39. 39.12 × 9 =
  40. 40.6 × 9 =

Answer key

  1. 95
  2. 2352
  3. 686
  4. 3762
  5. 133
  6. 377
  7. 114
  8. 882
  9. 145
  10. 3267
  11. 57
  12. 539
  13. 1862
  14. 1764
  15. 174
  16. 209
  17. 490
  18. 290
  19. 95
  20. 377
  21. 87
  22. 435
  23. 1274
  24. 76
  25. 90
  26. 3430
  27. 117
  28. 686
  29. 57
  30. 72
  31. 980
  32. 196
  33. 406
  34. 76
  35. 297
  36. 152
  37. 1584
  38. 261
  39. 108
  40. 54

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