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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 128 · 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. 1.33³ =
  2. 2.49³ =
  3. 3.68³ =
  4. 4.74³ =
  5. 5.88³ =
  6. 6.87³ =
  7. 7.72³ =
  8. 8.21³ =
  9. 9.51³ =
  10. 10.23³ =
  11. 11.21³ =
  12. 12.86³ =
  13. 13.91³ =
  14. 14.91³ =
  15. 15.25³ =
  16. 16.94³ =
  17. 17.36³ =
  18. 18.42³ =
  19. 19.61³ =
  20. 20.87³ =
  21. 21.43³ =
  22. 22.53³ =
  23. 23.94³ =
  24. 24.96³ =
  25. 25.58³ =
  26. 26.84³ =
  27. 27.14³ =
  28. 28.17³ =
  29. 29.89³ =
  30. 30.94³ =
  31. 31.61³ =
  32. 32.61³ =
  33. 33.22³ =
  34. 34.74³ =
  35. 35.28³ =
  36. 36.98³ =
  37. 37.49³ =
  38. 38.88³ =
  39. 39.24³ =
  40. 40.62³ =

Answer key

  1. 35937
  2. 117649
  3. 314432
  4. 405224
  5. 681472
  6. 658503
  7. 373248
  8. 9261
  9. 132651
  10. 12167
  11. 9261
  12. 636056
  13. 753571
  14. 753571
  15. 15625
  16. 830584
  17. 46656
  18. 74088
  19. 226981
  20. 658503
  21. 79507
  22. 148877
  23. 830584
  24. 884736
  25. 195112
  26. 592704
  27. 2744
  28. 4913
  29. 704969
  30. 830584
  31. 226981
  32. 226981
  33. 10648
  34. 405224
  35. 21952
  36. 941192
  37. 117649
  38. 681472
  39. 13824
  40. 238328

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