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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 528 · 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. 1.25³ =
  2. 2.71³ =
  3. 3.13³ =
  4. 4.93³ =
  5. 5.84³ =
  6. 6.31³ =
  7. 7.13³ =
  8. 8.61³ =
  9. 9.55³ =
  10. 10.24³ =
  11. 11.71³ =
  12. 12.56³ =
  13. 13.14³ =
  14. 14.15³ =
  15. 15.18³ =
  16. 16.93³ =
  17. 17.98³ =
  18. 18.99³ =
  19. 19.16³ =
  20. 20.39³ =
  21. 21.17³ =
  22. 22.17³ =
  23. 23.42³ =
  24. 24.22³ =
  25. 25.33³ =
  26. 26.36³ =
  27. 27.67³ =
  28. 28.29³ =
  29. 29.41³ =
  30. 30.94³ =
  31. 31.91³ =
  32. 32.31³ =
  33. 33.42³ =
  34. 34.36³ =
  35. 35.53³ =
  36. 36.82³ =
  37. 37.85³ =
  38. 38.49³ =
  39. 39.74³ =
  40. 40.42³ =

Answer key

  1. 15625
  2. 357911
  3. 2197
  4. 804357
  5. 592704
  6. 29791
  7. 2197
  8. 226981
  9. 166375
  10. 13824
  11. 357911
  12. 175616
  13. 2744
  14. 3375
  15. 5832
  16. 804357
  17. 941192
  18. 970299
  19. 4096
  20. 59319
  21. 4913
  22. 4913
  23. 74088
  24. 10648
  25. 35937
  26. 46656
  27. 300763
  28. 24389
  29. 68921
  30. 830584
  31. 753571
  32. 29791
  33. 74088
  34. 46656
  35. 148877
  36. 551368
  37. 614125
  38. 117649
  39. 405224
  40. 74088

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