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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 522 · 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. 1.54³ =
  2. 2.81³ =
  3. 3.62³ =
  4. 4.15³ =
  5. 5.42³ =
  6. 6.66³ =
  7. 7.25³ =
  8. 8.56³ =
  9. 9.41³ =
  10. 10.91³ =
  11. 11.27³ =
  12. 12.44³ =
  13. 13.61³ =
  14. 14.74³ =
  15. 15.49³ =
  16. 16.24³ =
  17. 17.29³ =
  18. 18.42³ =
  19. 19.14³ =
  20. 20.73³ =
  21. 21.42³ =
  22. 22.25³ =
  23. 23.59³ =
  24. 24.92³ =
  25. 25.33³ =
  26. 26.94³ =
  27. 27.98³ =
  28. 28.91³ =
  29. 29.44³ =
  30. 30.36³ =
  31. 31.24³ =
  32. 32.21³ =
  33. 33.63³ =
  34. 34.28³ =
  35. 35.94³ =
  36. 36.11³ =
  37. 37.29³ =
  38. 38.61³ =
  39. 39.12³ =
  40. 40.59³ =

Answer key

  1. 157464
  2. 531441
  3. 238328
  4. 3375
  5. 74088
  6. 287496
  7. 15625
  8. 175616
  9. 68921
  10. 753571
  11. 19683
  12. 85184
  13. 226981
  14. 405224
  15. 117649
  16. 13824
  17. 24389
  18. 74088
  19. 2744
  20. 389017
  21. 74088
  22. 15625
  23. 205379
  24. 778688
  25. 35937
  26. 830584
  27. 941192
  28. 753571
  29. 85184
  30. 46656
  31. 13824
  32. 9261
  33. 250047
  34. 21952
  35. 830584
  36. 1331
  37. 24389
  38. 226981
  39. 1728
  40. 205379

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