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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 224 · 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. 1.67³ =
  2. 2.11³ =
  3. 3.95³ =
  4. 4.48³ =
  5. 5.35³ =
  6. 6.29³ =
  7. 7.25³ =
  8. 8.11³ =
  9. 9.84³ =
  10. 10.94³ =
  11. 11.91³ =
  12. 12.32³ =
  13. 13.73³ =
  14. 14.33³ =
  15. 15.26³ =
  16. 16.19³ =
  17. 17.86³ =
  18. 18.12³ =
  19. 19.96³ =
  20. 20.64³ =
  21. 21.14³ =
  22. 22.23³ =
  23. 23.59³ =
  24. 24.28³ =
  25. 25.89³ =
  26. 26.24³ =
  27. 27.98³ =
  28. 28.84³ =
  29. 29.41³ =
  30. 30.57³ =
  31. 31.39³ =
  32. 32.79³ =
  33. 33.61³ =
  34. 34.82³ =
  35. 35.69³ =
  36. 36.41³ =
  37. 37.68³ =
  38. 38.32³ =
  39. 39.98³ =
  40. 40.67³ =

Answer key

  1. 300763
  2. 1331
  3. 857375
  4. 110592
  5. 42875
  6. 24389
  7. 15625
  8. 1331
  9. 592704
  10. 830584
  11. 753571
  12. 32768
  13. 389017
  14. 35937
  15. 17576
  16. 6859
  17. 636056
  18. 1728
  19. 884736
  20. 262144
  21. 2744
  22. 12167
  23. 205379
  24. 21952
  25. 704969
  26. 13824
  27. 941192
  28. 592704
  29. 68921
  30. 185193
  31. 59319
  32. 493039
  33. 226981
  34. 551368
  35. 328509
  36. 68921
  37. 314432
  38. 32768
  39. 941192
  40. 300763

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