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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 236 · 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. 1.33³ =
  2. 2.73³ =
  3. 3.55³ =
  4. 4.87³ =
  5. 5.93³ =
  6. 6.37³ =
  7. 7.62³ =
  8. 8.62³ =
  9. 9.25³ =
  10. 10.35³ =
  11. 11.11³ =
  12. 12.19³ =
  13. 13.96³ =
  14. 14.67³ =
  15. 15.24³ =
  16. 16.56³ =
  17. 17.11³ =
  18. 18.74³ =
  19. 19.82³ =
  20. 20.13³ =
  21. 21.94³ =
  22. 22.81³ =
  23. 23.72³ =
  24. 24.56³ =
  25. 25.19³ =
  26. 26.64³ =
  27. 27.35³ =
  28. 28.49³ =
  29. 29.91³ =
  30. 30.75³ =
  31. 31.62³ =
  32. 32.59³ =
  33. 33.53³ =
  34. 34.95³ =
  35. 35.78³ =
  36. 36.96³ =
  37. 37.19³ =
  38. 38.51³ =
  39. 39.18³ =
  40. 40.86³ =

Answer key

  1. 35937
  2. 389017
  3. 166375
  4. 658503
  5. 804357
  6. 50653
  7. 238328
  8. 238328
  9. 15625
  10. 42875
  11. 1331
  12. 6859
  13. 884736
  14. 300763
  15. 13824
  16. 175616
  17. 1331
  18. 405224
  19. 551368
  20. 2197
  21. 830584
  22. 531441
  23. 373248
  24. 175616
  25. 6859
  26. 262144
  27. 42875
  28. 117649
  29. 753571
  30. 421875
  31. 238328
  32. 205379
  33. 148877
  34. 857375
  35. 474552
  36. 884736
  37. 6859
  38. 132651
  39. 5832
  40. 636056

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