← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 895 · 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. 1.15 × 29 =
  2. 2.3 × 49 =
  3. 3.38 × 99 =
  4. 4.5 × 19 =
  5. 5.8 × 9 =
  6. 6.32 × 98 =
  7. 7.12 × 9 =
  8. 8.31 × 98 =
  9. 9.5 × 49 =
  10. 10.4 × 19 =
  11. 11.9 × 98 =
  12. 12.12 × 19 =
  13. 13.6 × 19 =
  14. 14.10 × 49 =
  15. 15.4 × 9 =
  16. 16.28 × 99 =
  17. 17.7 × 19 =
  18. 18.5 × 99 =
  19. 19.6 × 99 =
  20. 20.4 × 49 =
  21. 21.14 × 19 =
  22. 22.8 × 9 =
  23. 23.11 × 19 =
  24. 24.15 × 99 =
  25. 25.4 × 49 =
  26. 26.28 × 98 =
  27. 27.8 × 49 =
  28. 28.6 × 19 =
  29. 29.9 × 49 =
  30. 30.6 × 49 =
  31. 31.35 × 99 =
  32. 32.8 × 9 =
  33. 33.15 × 99 =
  34. 34.12 × 19 =
  35. 35.10 × 49 =
  36. 36.14 × 19 =
  37. 37.3 × 49 =
  38. 38.4 × 29 =
  39. 39.5 × 49 =
  40. 40.9 × 19 =

Answer key

  1. 435
  2. 147
  3. 3762
  4. 95
  5. 72
  6. 3136
  7. 108
  8. 3038
  9. 245
  10. 76
  11. 882
  12. 228
  13. 114
  14. 490
  15. 36
  16. 2772
  17. 133
  18. 495
  19. 594
  20. 196
  21. 266
  22. 72
  23. 209
  24. 1485
  25. 196
  26. 2744
  27. 392
  28. 114
  29. 441
  30. 294
  31. 3465
  32. 72
  33. 1485
  34. 228
  35. 490
  36. 266
  37. 147
  38. 116
  39. 245
  40. 171

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