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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 376 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.993³ =
  2. 2.988³ =
  3. 3.982³ =
  4. 4.108³ =
  5. 5.97³ =
  6. 6.106³ =
  7. 7.989³ =
  8. 8.95³ =
  9. 9.109³ =
  10. 10.981³ =
  11. 11.92³ =
  12. 12.1002³ =
  13. 13.992³ =
  14. 14.984³ =
  15. 15.95³ =
  16. 16.93³ =
  17. 17.92³ =
  18. 18.1005³ =
  19. 19.98³ =
  20. 20.99³ =
  21. 21.104³ =
  22. 22.1011³ =
  23. 23.98³ =
  24. 24.96³ =
  25. 25.97³ =
  26. 26.109³ =
  27. 27.98³ =
  28. 28.105³ =
  29. 29.989³ =
  30. 30.92³ =
  31. 31.108³ =
  32. 32.92³ =
  33. 33.106³ =
  34. 34.990³ =
  35. 35.985³ =
  36. 36.93³ =
  37. 37.93³ =
  38. 38.1016³ =
  39. 39.91³ =
  40. 40.1009³ =

Answer key

  1. 979146657
  2. 964430272
  3. 946966168
  4. 1259712
  5. 912673
  6. 1191016
  7. 967361669
  8. 857375
  9. 1295029
  10. 944076141
  11. 778688
  12. 1006012008
  13. 976191488
  14. 952763904
  15. 857375
  16. 804357
  17. 778688
  18. 1015075125
  19. 941192
  20. 970299
  21. 1124864
  22. 1033364331
  23. 941192
  24. 884736
  25. 912673
  26. 1295029
  27. 941192
  28. 1157625
  29. 967361669
  30. 778688
  31. 1259712
  32. 778688
  33. 1191016
  34. 970299000
  35. 955671625
  36. 804357
  37. 804357
  38. 1048772096
  39. 753571
  40. 1027243729

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