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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 996 · 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. 1.86³ =
  2. 2.21³ =
  3. 3.18³ =
  4. 4.41³ =
  5. 5.33³ =
  6. 6.57³ =
  7. 7.41³ =
  8. 8.47³ =
  9. 9.54³ =
  10. 10.99³ =
  11. 11.21³ =
  12. 12.16³ =
  13. 13.45³ =
  14. 14.51³ =
  15. 15.25³ =
  16. 16.57³ =
  17. 17.61³ =
  18. 18.35³ =
  19. 19.71³ =
  20. 20.17³ =
  21. 21.47³ =
  22. 22.24³ =
  23. 23.66³ =
  24. 24.76³ =
  25. 25.38³ =
  26. 26.74³ =
  27. 27.72³ =
  28. 28.72³ =
  29. 29.71³ =
  30. 30.37³ =
  31. 31.74³ =
  32. 32.43³ =
  33. 33.45³ =
  34. 34.71³ =
  35. 35.91³ =
  36. 36.61³ =
  37. 37.55³ =
  38. 38.17³ =
  39. 39.17³ =
  40. 40.67³ =

Answer key

  1. 636056
  2. 9261
  3. 5832
  4. 68921
  5. 35937
  6. 185193
  7. 68921
  8. 103823
  9. 157464
  10. 970299
  11. 9261
  12. 4096
  13. 91125
  14. 132651
  15. 15625
  16. 185193
  17. 226981
  18. 42875
  19. 357911
  20. 4913
  21. 103823
  22. 13824
  23. 287496
  24. 438976
  25. 54872
  26. 405224
  27. 373248
  28. 373248
  29. 357911
  30. 50653
  31. 405224
  32. 79507
  33. 91125
  34. 357911
  35. 753571
  36. 226981
  37. 166375
  38. 4913
  39. 4913
  40. 300763

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