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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 166 · 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. 1.78³ =
  2. 2.92³ =
  3. 3.37³ =
  4. 4.93³ =
  5. 5.26³ =
  6. 6.29³ =
  7. 7.58³ =
  8. 8.18³ =
  9. 9.65³ =
  10. 10.77³ =
  11. 11.73³ =
  12. 12.21³ =
  13. 13.69³ =
  14. 14.44³ =
  15. 15.98³ =
  16. 16.35³ =
  17. 17.51³ =
  18. 18.95³ =
  19. 19.57³ =
  20. 20.33³ =
  21. 21.42³ =
  22. 22.96³ =
  23. 23.32³ =
  24. 24.21³ =
  25. 25.49³ =
  26. 26.11³ =
  27. 27.21³ =
  28. 28.43³ =
  29. 29.84³ =
  30. 30.98³ =
  31. 31.54³ =
  32. 32.37³ =
  33. 33.33³ =
  34. 34.85³ =
  35. 35.35³ =
  36. 36.35³ =
  37. 37.25³ =
  38. 38.74³ =
  39. 39.94³ =
  40. 40.65³ =

Answer key

  1. 474552
  2. 778688
  3. 50653
  4. 804357
  5. 17576
  6. 24389
  7. 195112
  8. 5832
  9. 274625
  10. 456533
  11. 389017
  12. 9261
  13. 328509
  14. 85184
  15. 941192
  16. 42875
  17. 132651
  18. 857375
  19. 185193
  20. 35937
  21. 74088
  22. 884736
  23. 32768
  24. 9261
  25. 117649
  26. 1331
  27. 9261
  28. 79507
  29. 592704
  30. 941192
  31. 157464
  32. 50653
  33. 35937
  34. 614125
  35. 42875
  36. 42875
  37. 15625
  38. 405224
  39. 830584
  40. 274625

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