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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 310 · 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. 1.46³ =
  2. 2.92³ =
  3. 3.74³ =
  4. 4.35³ =
  5. 5.58³ =
  6. 6.15³ =
  7. 7.15³ =
  8. 8.61³ =
  9. 9.35³ =
  10. 10.78³ =
  11. 11.61³ =
  12. 12.41³ =
  13. 13.61³ =
  14. 14.62³ =
  15. 15.26³ =
  16. 16.34³ =
  17. 17.18³ =
  18. 18.86³ =
  19. 19.62³ =
  20. 20.29³ =
  21. 21.41³ =
  22. 22.18³ =
  23. 23.54³ =
  24. 24.16³ =
  25. 25.97³ =
  26. 26.71³ =
  27. 27.19³ =
  28. 28.37³ =
  29. 29.45³ =
  30. 30.61³ =
  31. 31.76³ =
  32. 32.97³ =
  33. 33.18³ =
  34. 34.52³ =
  35. 35.75³ =
  36. 36.58³ =
  37. 37.96³ =
  38. 38.37³ =
  39. 39.12³ =
  40. 40.53³ =

Answer key

  1. 97336
  2. 778688
  3. 405224
  4. 42875
  5. 195112
  6. 3375
  7. 3375
  8. 226981
  9. 42875
  10. 474552
  11. 226981
  12. 68921
  13. 226981
  14. 238328
  15. 17576
  16. 39304
  17. 5832
  18. 636056
  19. 238328
  20. 24389
  21. 68921
  22. 5832
  23. 157464
  24. 4096
  25. 912673
  26. 357911
  27. 6859
  28. 50653
  29. 91125
  30. 226981
  31. 438976
  32. 912673
  33. 5832
  34. 140608
  35. 421875
  36. 195112
  37. 884736
  38. 50653
  39. 1728
  40. 148877

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