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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 366 · 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. 1.77³ =
  2. 2.37³ =
  3. 3.37³ =
  4. 4.15³ =
  5. 5.55³ =
  6. 6.22³ =
  7. 7.61³ =
  8. 8.39³ =
  9. 9.73³ =
  10. 10.41³ =
  11. 11.41³ =
  12. 12.89³ =
  13. 13.29³ =
  14. 14.98³ =
  15. 15.92³ =
  16. 16.19³ =
  17. 17.81³ =
  18. 18.74³ =
  19. 19.25³ =
  20. 20.57³ =
  21. 21.55³ =
  22. 22.92³ =
  23. 23.66³ =
  24. 24.81³ =
  25. 25.59³ =
  26. 26.35³ =
  27. 27.29³ =
  28. 28.66³ =
  29. 29.96³ =
  30. 30.75³ =
  31. 31.19³ =
  32. 32.52³ =
  33. 33.14³ =
  34. 34.36³ =
  35. 35.53³ =
  36. 36.89³ =
  37. 37.71³ =
  38. 38.15³ =
  39. 39.33³ =
  40. 40.63³ =

Answer key

  1. 456533
  2. 50653
  3. 50653
  4. 3375
  5. 166375
  6. 10648
  7. 226981
  8. 59319
  9. 389017
  10. 68921
  11. 68921
  12. 704969
  13. 24389
  14. 941192
  15. 778688
  16. 6859
  17. 531441
  18. 405224
  19. 15625
  20. 185193
  21. 166375
  22. 778688
  23. 287496
  24. 531441
  25. 205379
  26. 42875
  27. 24389
  28. 287496
  29. 884736
  30. 421875
  31. 6859
  32. 140608
  33. 2744
  34. 46656
  35. 148877
  36. 704969
  37. 357911
  38. 3375
  39. 35937
  40. 250047

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