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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 300 · 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. 1.47³ =
  2. 2.67³ =
  3. 3.53³ =
  4. 4.17³ =
  5. 5.86³ =
  6. 6.22³ =
  7. 7.75³ =
  8. 8.21³ =
  9. 9.26³ =
  10. 10.35³ =
  11. 11.26³ =
  12. 12.97³ =
  13. 13.91³ =
  14. 14.62³ =
  15. 15.66³ =
  16. 16.61³ =
  17. 17.58³ =
  18. 18.28³ =
  19. 19.67³ =
  20. 20.95³ =
  21. 21.45³ =
  22. 22.45³ =
  23. 23.48³ =
  24. 24.13³ =
  25. 25.61³ =
  26. 26.66³ =
  27. 27.53³ =
  28. 28.41³ =
  29. 29.46³ =
  30. 30.35³ =
  31. 31.63³ =
  32. 32.66³ =
  33. 33.28³ =
  34. 34.13³ =
  35. 35.45³ =
  36. 36.17³ =
  37. 37.28³ =
  38. 38.61³ =
  39. 39.16³ =
  40. 40.22³ =

Answer key

  1. 103823
  2. 300763
  3. 148877
  4. 4913
  5. 636056
  6. 10648
  7. 421875
  8. 9261
  9. 17576
  10. 42875
  11. 17576
  12. 912673
  13. 753571
  14. 238328
  15. 287496
  16. 226981
  17. 195112
  18. 21952
  19. 300763
  20. 857375
  21. 91125
  22. 91125
  23. 110592
  24. 2197
  25. 226981
  26. 287496
  27. 148877
  28. 68921
  29. 97336
  30. 42875
  31. 250047
  32. 287496
  33. 21952
  34. 2197
  35. 91125
  36. 4913
  37. 21952
  38. 226981
  39. 4096
  40. 10648

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