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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 244 · 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. 2.21³ =
  3. 3.52³ =
  4. 4.47³ =
  5. 5.72³ =
  6. 6.31³ =
  7. 7.28³ =
  8. 8.59³ =
  9. 9.64³ =
  10. 10.37³ =
  11. 11.61³ =
  12. 12.58³ =
  13. 13.57³ =
  14. 14.88³ =
  15. 15.16³ =
  16. 16.98³ =
  17. 17.86³ =
  18. 18.73³ =
  19. 19.73³ =
  20. 20.16³ =
  21. 21.79³ =
  22. 22.75³ =
  23. 23.47³ =
  24. 24.84³ =
  25. 25.49³ =
  26. 26.56³ =
  27. 27.49³ =
  28. 28.54³ =
  29. 29.62³ =
  30. 30.41³ =
  31. 31.88³ =
  32. 32.91³ =
  33. 33.15³ =
  34. 34.26³ =
  35. 35.66³ =
  36. 36.51³ =
  37. 37.74³ =
  38. 38.96³ =
  39. 39.28³ =
  40. 40.98³ =

Answer key

  1. 35937
  2. 9261
  3. 140608
  4. 103823
  5. 373248
  6. 29791
  7. 21952
  8. 205379
  9. 262144
  10. 50653
  11. 226981
  12. 195112
  13. 185193
  14. 681472
  15. 4096
  16. 941192
  17. 636056
  18. 389017
  19. 389017
  20. 4096
  21. 493039
  22. 421875
  23. 103823
  24. 592704
  25. 117649
  26. 175616
  27. 117649
  28. 157464
  29. 238328
  30. 68921
  31. 681472
  32. 753571
  33. 3375
  34. 17576
  35. 287496
  36. 132651
  37. 405224
  38. 884736
  39. 21952
  40. 941192

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