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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 553 · 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. 1.15³ =
  2. 2.36³ =
  3. 3.42³ =
  4. 4.86³ =
  5. 5.62³ =
  6. 6.53³ =
  7. 7.63³ =
  8. 8.43³ =
  9. 9.92³ =
  10. 10.39³ =
  11. 11.72³ =
  12. 12.12³ =
  13. 13.15³ =
  14. 14.42³ =
  15. 15.26³ =
  16. 16.75³ =
  17. 17.36³ =
  18. 18.33³ =
  19. 19.41³ =
  20. 20.98³ =
  21. 21.69³ =
  22. 22.63³ =
  23. 23.76³ =
  24. 24.14³ =
  25. 25.34³ =
  26. 26.45³ =
  27. 27.51³ =
  28. 28.76³ =
  29. 29.61³ =
  30. 30.23³ =
  31. 31.32³ =
  32. 32.45³ =
  33. 33.26³ =
  34. 34.24³ =
  35. 35.51³ =
  36. 36.69³ =
  37. 37.21³ =
  38. 38.72³ =
  39. 39.53³ =
  40. 40.39³ =

Answer key

  1. 3375
  2. 46656
  3. 74088
  4. 636056
  5. 238328
  6. 148877
  7. 250047
  8. 79507
  9. 778688
  10. 59319
  11. 373248
  12. 1728
  13. 3375
  14. 74088
  15. 17576
  16. 421875
  17. 46656
  18. 35937
  19. 68921
  20. 941192
  21. 328509
  22. 250047
  23. 438976
  24. 2744
  25. 39304
  26. 91125
  27. 132651
  28. 438976
  29. 226981
  30. 12167
  31. 32768
  32. 91125
  33. 17576
  34. 13824
  35. 132651
  36. 328509
  37. 9261
  38. 373248
  39. 148877
  40. 59319

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