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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 52 · 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. 1.96³ =
  2. 2.29³ =
  3. 3.79³ =
  4. 4.74³ =
  5. 5.58³ =
  6. 6.26³ =
  7. 7.36³ =
  8. 8.91³ =
  9. 9.88³ =
  10. 10.98³ =
  11. 11.81³ =
  12. 12.77³ =
  13. 13.69³ =
  14. 14.44³ =
  15. 15.33³ =
  16. 16.79³ =
  17. 17.77³ =
  18. 18.45³ =
  19. 19.83³ =
  20. 20.77³ =
  21. 21.57³ =
  22. 22.72³ =
  23. 23.93³ =
  24. 24.41³ =
  25. 25.45³ =
  26. 26.14³ =
  27. 27.36³ =
  28. 28.13³ =
  29. 29.17³ =
  30. 30.29³ =
  31. 31.37³ =
  32. 32.27³ =
  33. 33.57³ =
  34. 34.67³ =
  35. 35.57³ =
  36. 36.87³ =
  37. 37.36³ =
  38. 38.92³ =
  39. 39.68³ =
  40. 40.51³ =

Answer key

  1. 884736
  2. 24389
  3. 493039
  4. 405224
  5. 195112
  6. 17576
  7. 46656
  8. 753571
  9. 681472
  10. 941192
  11. 531441
  12. 456533
  13. 328509
  14. 85184
  15. 35937
  16. 493039
  17. 456533
  18. 91125
  19. 571787
  20. 456533
  21. 185193
  22. 373248
  23. 804357
  24. 68921
  25. 91125
  26. 2744
  27. 46656
  28. 2197
  29. 4913
  30. 24389
  31. 50653
  32. 19683
  33. 185193
  34. 300763
  35. 185193
  36. 658503
  37. 46656
  38. 778688
  39. 314432
  40. 132651

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