← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 175 · 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. 1.11 × 9 =
  2. 2.14 × 49 =
  3. 3.7 × 19 =
  4. 4.14 × 99 =
  5. 5.6 × 9 =
  6. 6.11 × 19 =
  7. 7.5 × 19 =
  8. 8.4 × 9 =
  9. 9.11 × 98 =
  10. 10.15 × 9 =
  11. 11.26 × 98 =
  12. 12.39 × 99 =
  13. 13.7 × 99 =
  14. 14.14 × 9 =
  15. 15.9 × 19 =
  16. 16.26 × 99 =
  17. 17.5 × 98 =
  18. 18.11 × 29 =
  19. 19.9 × 19 =
  20. 20.12 × 49 =
  21. 21.6 × 49 =
  22. 22.3 × 19 =
  23. 23.3 × 99 =
  24. 24.5 × 9 =
  25. 25.5 × 98 =
  26. 26.5 × 19 =
  27. 27.4 × 49 =
  28. 28.9 × 49 =
  29. 29.6 × 49 =
  30. 30.8 × 9 =
  31. 31.7 × 9 =
  32. 32.10 × 19 =
  33. 33.6 × 29 =
  34. 34.4 × 99 =
  35. 35.13 × 29 =
  36. 36.6 × 49 =
  37. 37.12 × 19 =
  38. 38.5 × 29 =
  39. 39.14 × 98 =
  40. 40.14 × 9 =

Answer key

  1. 99
  2. 686
  3. 133
  4. 1386
  5. 54
  6. 209
  7. 95
  8. 36
  9. 1078
  10. 135
  11. 2548
  12. 3861
  13. 693
  14. 126
  15. 171
  16. 2574
  17. 490
  18. 319
  19. 171
  20. 588
  21. 294
  22. 57
  23. 297
  24. 45
  25. 490
  26. 95
  27. 196
  28. 441
  29. 294
  30. 72
  31. 63
  32. 190
  33. 174
  34. 396
  35. 377
  36. 294
  37. 228
  38. 145
  39. 1372
  40. 126

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