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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 227 · 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. 2.34³ =
  3. 3.45³ =
  4. 4.47³ =
  5. 5.77³ =
  6. 6.11³ =
  7. 7.62³ =
  8. 8.54³ =
  9. 9.72³ =
  10. 10.97³ =
  11. 11.18³ =
  12. 12.88³ =
  13. 13.24³ =
  14. 14.67³ =
  15. 15.36³ =
  16. 16.51³ =
  17. 17.59³ =
  18. 18.85³ =
  19. 19.31³ =
  20. 20.36³ =
  21. 21.85³ =
  22. 22.34³ =
  23. 23.62³ =
  24. 24.13³ =
  25. 25.63³ =
  26. 26.51³ =
  27. 27.25³ =
  28. 28.82³ =
  29. 29.11³ =
  30. 30.69³ =
  31. 31.57³ =
  32. 32.98³ =
  33. 33.86³ =
  34. 34.91³ =
  35. 35.88³ =
  36. 36.72³ =
  37. 37.41³ =
  38. 38.78³ =
  39. 39.37³ =
  40. 40.75³ =

Answer key

  1. 5832
  2. 39304
  3. 91125
  4. 103823
  5. 456533
  6. 1331
  7. 238328
  8. 157464
  9. 373248
  10. 912673
  11. 5832
  12. 681472
  13. 13824
  14. 300763
  15. 46656
  16. 132651
  17. 205379
  18. 614125
  19. 29791
  20. 46656
  21. 614125
  22. 39304
  23. 238328
  24. 2197
  25. 250047
  26. 132651
  27. 15625
  28. 551368
  29. 1331
  30. 328509
  31. 185193
  32. 941192
  33. 636056
  34. 753571
  35. 681472
  36. 373248
  37. 68921
  38. 474552
  39. 50653
  40. 421875

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