← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 19 · 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. 1.7 × 9 =
  2. 2.15 × 19 =
  3. 3.3 × 9 =
  4. 4.4 × 98 =
  5. 5.14 × 29 =
  6. 6.40 × 98 =
  7. 7.11 × 49 =
  8. 8.19 × 99 =
  9. 9.7 × 19 =
  10. 10.9 × 49 =
  11. 11.15 × 99 =
  12. 12.7 × 9 =
  13. 13.13 × 19 =
  14. 14.26 × 98 =
  15. 15.15 × 9 =
  16. 16.8 × 49 =
  17. 17.18 × 99 =
  18. 18.3 × 19 =
  19. 19.11 × 29 =
  20. 20.5 × 19 =
  21. 21.10 × 98 =
  22. 22.5 × 98 =
  23. 23.25 × 99 =
  24. 24.12 × 19 =
  25. 25.33 × 98 =
  26. 26.7 × 98 =
  27. 27.3 × 19 =
  28. 28.4 × 49 =
  29. 29.15 × 29 =
  30. 30.4 × 29 =
  31. 31.7 × 9 =
  32. 32.3 × 29 =
  33. 33.5 × 9 =
  34. 34.27 × 99 =
  35. 35.10 × 19 =
  36. 36.4 × 9 =
  37. 37.19 × 99 =
  38. 38.15 × 9 =
  39. 39.9 × 9 =
  40. 40.10 × 9 =

Answer key

  1. 63
  2. 285
  3. 27
  4. 392
  5. 406
  6. 3920
  7. 539
  8. 1881
  9. 133
  10. 441
  11. 1485
  12. 63
  13. 247
  14. 2548
  15. 135
  16. 392
  17. 1782
  18. 57
  19. 319
  20. 95
  21. 980
  22. 490
  23. 2475
  24. 228
  25. 3234
  26. 686
  27. 57
  28. 196
  29. 435
  30. 116
  31. 63
  32. 87
  33. 45
  34. 2673
  35. 190
  36. 36
  37. 1881
  38. 135
  39. 81
  40. 90

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