← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 869 · 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. 2.4 × 29 =
  3. 3.13 × 29 =
  4. 4.3 × 9 =
  5. 5.8 × 19 =
  6. 6.4 × 49 =
  7. 7.25 × 98 =
  8. 8.17 × 98 =
  9. 9.15 × 19 =
  10. 10.33 × 99 =
  11. 11.6 × 29 =
  12. 12.10 × 29 =
  13. 13.21 × 98 =
  14. 14.15 × 99 =
  15. 15.7 × 49 =
  16. 16.7 × 19 =
  17. 17.3 × 49 =
  18. 18.7 × 29 =
  19. 19.13 × 9 =
  20. 20.13 × 29 =
  21. 21.13 × 19 =
  22. 22.4 × 29 =
  23. 23.11 × 98 =
  24. 24.35 × 98 =
  25. 25.9 × 19 =
  26. 26.10 × 9 =
  27. 27.12 × 19 =
  28. 28.11 × 49 =
  29. 29.29 × 98 =
  30. 30.6 × 29 =
  31. 31.8 × 99 =
  32. 32.10 × 49 =
  33. 33.14 × 19 =
  34. 34.14 × 19 =
  35. 35.38 × 99 =
  36. 36.3 × 99 =
  37. 37.6 × 49 =
  38. 38.15 × 29 =
  39. 39.4 × 29 =
  40. 40.9 × 99 =

Answer key

  1. 435
  2. 116
  3. 377
  4. 27
  5. 152
  6. 196
  7. 2450
  8. 1666
  9. 285
  10. 3267
  11. 174
  12. 290
  13. 2058
  14. 1485
  15. 343
  16. 133
  17. 147
  18. 203
  19. 117
  20. 377
  21. 247
  22. 116
  23. 1078
  24. 3430
  25. 171
  26. 90
  27. 228
  28. 539
  29. 2842
  30. 174
  31. 792
  32. 490
  33. 266
  34. 266
  35. 3762
  36. 297
  37. 294
  38. 435
  39. 116
  40. 891

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