← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 305 · 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. 2.13 × 49 =
  3. 3.14 × 9 =
  4. 4.8 × 98 =
  5. 5.4 × 49 =
  6. 6.32 × 99 =
  7. 7.7 × 19 =
  8. 8.7 × 29 =
  9. 9.4 × 29 =
  10. 10.13 × 49 =
  11. 11.6 × 9 =
  12. 12.3 × 9 =
  13. 13.36 × 99 =
  14. 14.6 × 29 =
  15. 15.5 × 49 =
  16. 16.13 × 98 =
  17. 17.5 × 29 =
  18. 18.5 × 29 =
  19. 19.19 × 99 =
  20. 20.12 × 98 =
  21. 21.10 × 9 =
  22. 22.7 × 49 =
  23. 23.10 × 9 =
  24. 24.7 × 9 =
  25. 25.13 × 49 =
  26. 26.23 × 98 =
  27. 27.7 × 19 =
  28. 28.4 × 49 =
  29. 29.10 × 29 =
  30. 30.14 × 19 =
  31. 31.11 × 49 =
  32. 32.6 × 9 =
  33. 33.7 × 19 =
  34. 34.11 × 19 =
  35. 35.6 × 29 =
  36. 36.9 × 29 =
  37. 37.7 × 19 =
  38. 38.34 × 98 =
  39. 39.14 × 9 =
  40. 40.6 × 49 =

Answer key

  1. 99
  2. 637
  3. 126
  4. 784
  5. 196
  6. 3168
  7. 133
  8. 203
  9. 116
  10. 637
  11. 54
  12. 27
  13. 3564
  14. 174
  15. 245
  16. 1274
  17. 145
  18. 145
  19. 1881
  20. 1176
  21. 90
  22. 343
  23. 90
  24. 63
  25. 637
  26. 2254
  27. 133
  28. 196
  29. 290
  30. 266
  31. 539
  32. 54
  33. 133
  34. 209
  35. 174
  36. 261
  37. 133
  38. 3332
  39. 126
  40. 294

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