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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 382 · 40 sums
TalentJR

The trick (Anurupyena): Top row: a³, a²b, ab², b³ (each term is the one before × b ÷ a). Under the two middle terms write double of them, and add: a³ | 3a²b | 3ab² | b³. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.73³ =
  2. 2.56³ =
  3. 3.13³ =
  4. 4.62³ =
  5. 5.63³ =
  6. 6.83³ =
  7. 7.66³ =
  8. 8.68³ =
  9. 9.55³ =
  10. 10.73³ =
  11. 11.41³ =
  12. 12.24³ =
  13. 13.57³ =
  14. 14.87³ =
  15. 15.15³ =
  16. 16.23³ =
  17. 17.31³ =
  18. 18.56³ =
  19. 19.45³ =
  20. 20.16³ =
  21. 21.83³ =
  22. 22.59³ =
  23. 23.35³ =
  24. 24.33³ =
  25. 25.42³ =
  26. 26.83³ =
  27. 27.82³ =
  28. 28.35³ =
  29. 29.48³ =
  30. 30.86³ =
  31. 31.35³ =
  32. 32.26³ =
  33. 33.55³ =
  34. 34.54³ =
  35. 35.88³ =
  36. 36.18³ =
  37. 37.31³ =
  38. 38.13³ =
  39. 39.91³ =
  40. 40.29³ =

Answer key

  1. 389017
  2. 175616
  3. 2197
  4. 238328
  5. 250047
  6. 571787
  7. 287496
  8. 314432
  9. 166375
  10. 389017
  11. 68921
  12. 13824
  13. 185193
  14. 658503
  15. 3375
  16. 12167
  17. 29791
  18. 175616
  19. 91125
  20. 4096
  21. 571787
  22. 205379
  23. 42875
  24. 35937
  25. 74088
  26. 571787
  27. 551368
  28. 42875
  29. 110592
  30. 636056
  31. 42875
  32. 17576
  33. 166375
  34. 157464
  35. 681472
  36. 5832
  37. 29791
  38. 2197
  39. 753571
  40. 24389

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