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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 753 · 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. 1.18³ =
  2. 2.37³ =
  3. 3.58³ =
  4. 4.82³ =
  5. 5.44³ =
  6. 6.86³ =
  7. 7.65³ =
  8. 8.42³ =
  9. 9.79³ =
  10. 10.24³ =
  11. 11.11³ =
  12. 12.48³ =
  13. 13.61³ =
  14. 14.72³ =
  15. 15.95³ =
  16. 16.59³ =
  17. 17.36³ =
  18. 18.43³ =
  19. 19.43³ =
  20. 20.87³ =
  21. 21.78³ =
  22. 22.15³ =
  23. 23.95³ =
  24. 24.54³ =
  25. 25.99³ =
  26. 26.68³ =
  27. 27.12³ =
  28. 28.34³ =
  29. 29.92³ =
  30. 30.68³ =
  31. 31.86³ =
  32. 32.19³ =
  33. 33.28³ =
  34. 34.85³ =
  35. 35.75³ =
  36. 36.27³ =
  37. 37.11³ =
  38. 38.61³ =
  39. 39.75³ =
  40. 40.97³ =

Answer key

  1. 5832
  2. 50653
  3. 195112
  4. 551368
  5. 85184
  6. 636056
  7. 274625
  8. 74088
  9. 493039
  10. 13824
  11. 1331
  12. 110592
  13. 226981
  14. 373248
  15. 857375
  16. 205379
  17. 46656
  18. 79507
  19. 79507
  20. 658503
  21. 474552
  22. 3375
  23. 857375
  24. 157464
  25. 970299
  26. 314432
  27. 1728
  28. 39304
  29. 778688
  30. 314432
  31. 636056
  32. 6859
  33. 21952
  34. 614125
  35. 421875
  36. 19683
  37. 1331
  38. 226981
  39. 421875
  40. 912673

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