← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 237 · 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. 1.5 × 49 =
  2. 2.7 × 49 =
  3. 3.13 × 9 =
  4. 4.9 × 29 =
  5. 5.14 × 49 =
  6. 6.4 × 98 =
  7. 7.9 × 49 =
  8. 8.14 × 9 =
  9. 9.32 × 99 =
  10. 10.3 × 9 =
  11. 11.5 × 9 =
  12. 12.11 × 29 =
  13. 13.10 × 19 =
  14. 14.4 × 9 =
  15. 15.37 × 98 =
  16. 16.23 × 98 =
  17. 17.15 × 19 =
  18. 18.5 × 19 =
  19. 19.40 × 98 =
  20. 20.13 × 29 =
  21. 21.5 × 29 =
  22. 22.12 × 98 =
  23. 23.6 × 49 =
  24. 24.3 × 19 =
  25. 25.12 × 19 =
  26. 26.29 × 99 =
  27. 27.3 × 49 =
  28. 28.13 × 19 =
  29. 29.4 × 29 =
  30. 30.13 × 19 =
  31. 31.15 × 9 =
  32. 32.5 × 49 =
  33. 33.11 × 29 =
  34. 34.11 × 99 =
  35. 35.15 × 19 =
  36. 36.13 × 9 =
  37. 37.11 × 19 =
  38. 38.10 × 98 =
  39. 39.34 × 98 =
  40. 40.11 × 49 =

Answer key

  1. 245
  2. 343
  3. 117
  4. 261
  5. 686
  6. 392
  7. 441
  8. 126
  9. 3168
  10. 27
  11. 45
  12. 319
  13. 190
  14. 36
  15. 3626
  16. 2254
  17. 285
  18. 95
  19. 3920
  20. 377
  21. 145
  22. 1176
  23. 294
  24. 57
  25. 228
  26. 2871
  27. 147
  28. 247
  29. 116
  30. 247
  31. 135
  32. 245
  33. 319
  34. 1089
  35. 285
  36. 117
  37. 209
  38. 980
  39. 3332
  40. 539

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