← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 933 · 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. 1.14 × 19 =
  2. 2.5 × 9 =
  3. 3.3 × 29 =
  4. 4.15 × 19 =
  5. 5.15 × 19 =
  6. 6.12 × 9 =
  7. 7.13 × 19 =
  8. 8.10 × 9 =
  9. 9.23 × 98 =
  10. 10.4 × 98 =
  11. 11.14 × 19 =
  12. 12.9 × 99 =
  13. 13.16 × 99 =
  14. 14.13 × 99 =
  15. 15.9 × 19 =
  16. 16.14 × 98 =
  17. 17.3 × 19 =
  18. 18.9 × 29 =
  19. 19.5 × 49 =
  20. 20.15 × 9 =
  21. 21.4 × 29 =
  22. 22.21 × 99 =
  23. 23.3 × 9 =
  24. 24.35 × 99 =
  25. 25.15 × 98 =
  26. 26.3 × 49 =
  27. 27.26 × 99 =
  28. 28.21 × 99 =
  29. 29.3 × 99 =
  30. 30.11 × 9 =
  31. 31.3 × 49 =
  32. 32.9 × 9 =
  33. 33.8 × 49 =
  34. 34.13 × 49 =
  35. 35.5 × 49 =
  36. 36.5 × 19 =
  37. 37.15 × 9 =
  38. 38.11 × 19 =
  39. 39.11 × 9 =
  40. 40.3 × 19 =

Answer key

  1. 266
  2. 45
  3. 87
  4. 285
  5. 285
  6. 108
  7. 247
  8. 90
  9. 2254
  10. 392
  11. 266
  12. 891
  13. 1584
  14. 1287
  15. 171
  16. 1372
  17. 57
  18. 261
  19. 245
  20. 135
  21. 116
  22. 2079
  23. 27
  24. 3465
  25. 1470
  26. 147
  27. 2574
  28. 2079
  29. 297
  30. 99
  31. 147
  32. 81
  33. 392
  34. 637
  35. 245
  36. 95
  37. 135
  38. 209
  39. 99
  40. 57

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