← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 837 · 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. 1.12 × 29 =
  2. 2.9 × 9 =
  3. 3.4 × 29 =
  4. 4.39 × 99 =
  5. 5.34 × 98 =
  6. 6.39 × 98 =
  7. 7.6 × 99 =
  8. 8.8 × 9 =
  9. 9.9 × 9 =
  10. 10.6 × 29 =
  11. 11.5 × 9 =
  12. 12.7 × 98 =
  13. 13.5 × 19 =
  14. 14.35 × 99 =
  15. 15.9 × 99 =
  16. 16.13 × 9 =
  17. 17.9 × 29 =
  18. 18.7 × 49 =
  19. 19.9 × 9 =
  20. 20.13 × 19 =
  21. 21.4 × 29 =
  22. 22.10 × 9 =
  23. 23.13 × 49 =
  24. 24.4 × 9 =
  25. 25.6 × 49 =
  26. 26.13 × 98 =
  27. 27.6 × 9 =
  28. 28.7 × 29 =
  29. 29.4 × 9 =
  30. 30.13 × 98 =
  31. 31.12 × 19 =
  32. 32.6 × 9 =
  33. 33.11 × 29 =
  34. 34.9 × 98 =
  35. 35.6 × 29 =
  36. 36.9 × 9 =
  37. 37.9 × 19 =
  38. 38.13 × 9 =
  39. 39.10 × 99 =
  40. 40.7 × 49 =

Answer key

  1. 348
  2. 81
  3. 116
  4. 3861
  5. 3332
  6. 3822
  7. 594
  8. 72
  9. 81
  10. 174
  11. 45
  12. 686
  13. 95
  14. 3465
  15. 891
  16. 117
  17. 261
  18. 343
  19. 81
  20. 247
  21. 116
  22. 90
  23. 637
  24. 36
  25. 294
  26. 1274
  27. 54
  28. 203
  29. 36
  30. 1274
  31. 228
  32. 54
  33. 319
  34. 882
  35. 174
  36. 81
  37. 171
  38. 117
  39. 990
  40. 343

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