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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 32 · 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. 1.21³ =
  2. 2.49³ =
  3. 3.42³ =
  4. 4.35³ =
  5. 5.18³ =
  6. 6.43³ =
  7. 7.52³ =
  8. 8.13³ =
  9. 9.44³ =
  10. 10.25³ =
  11. 11.36³ =
  12. 12.56³ =
  13. 13.33³ =
  14. 14.26³ =
  15. 15.44³ =
  16. 16.68³ =
  17. 17.28³ =
  18. 18.92³ =
  19. 19.72³ =
  20. 20.31³ =
  21. 21.76³ =
  22. 22.49³ =
  23. 23.64³ =
  24. 24.92³ =
  25. 25.16³ =
  26. 26.33³ =
  27. 27.12³ =
  28. 28.31³ =
  29. 29.29³ =
  30. 30.76³ =
  31. 31.24³ =
  32. 32.38³ =
  33. 33.66³ =
  34. 34.43³ =
  35. 35.33³ =
  36. 36.84³ =
  37. 37.31³ =
  38. 38.52³ =
  39. 39.34³ =
  40. 40.51³ =

Answer key

  1. 9261
  2. 117649
  3. 74088
  4. 42875
  5. 5832
  6. 79507
  7. 140608
  8. 2197
  9. 85184
  10. 15625
  11. 46656
  12. 175616
  13. 35937
  14. 17576
  15. 85184
  16. 314432
  17. 21952
  18. 778688
  19. 373248
  20. 29791
  21. 438976
  22. 117649
  23. 262144
  24. 778688
  25. 4096
  26. 35937
  27. 1728
  28. 29791
  29. 24389
  30. 438976
  31. 13824
  32. 54872
  33. 287496
  34. 79507
  35. 35937
  36. 592704
  37. 29791
  38. 140608
  39. 39304
  40. 132651

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