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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 597 · 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. 1.91³ =
  2. 2.1018³ =
  3. 3.98³ =
  4. 4.91³ =
  5. 5.99³ =
  6. 6.1014³ =
  7. 7.96³ =
  8. 8.97³ =
  9. 9.994³ =
  10. 10.92³ =
  11. 11.983³ =
  12. 12.104³ =
  13. 13.996³ =
  14. 14.996³ =
  15. 15.94³ =
  16. 16.991³ =
  17. 17.98³ =
  18. 18.96³ =
  19. 19.990³ =
  20. 20.94³ =
  21. 21.1017³ =
  22. 22.992³ =
  23. 23.95³ =
  24. 24.96³ =
  25. 25.993³ =
  26. 26.1016³ =
  27. 27.97³ =
  28. 28.93³ =
  29. 29.96³ =
  30. 30.103³ =
  31. 31.984³ =
  32. 32.988³ =
  33. 33.99³ =
  34. 34.109³ =
  35. 35.99³ =
  36. 36.98³ =
  37. 37.94³ =
  38. 38.93³ =
  39. 39.1016³ =
  40. 40.95³ =

Answer key

  1. 753571
  2. 1054977832
  3. 941192
  4. 753571
  5. 970299
  6. 1042590744
  7. 884736
  8. 912673
  9. 982107784
  10. 778688
  11. 949862087
  12. 1124864
  13. 988047936
  14. 988047936
  15. 830584
  16. 973242271
  17. 941192
  18. 884736
  19. 970299000
  20. 830584
  21. 1051871913
  22. 976191488
  23. 857375
  24. 884736
  25. 979146657
  26. 1048772096
  27. 912673
  28. 804357
  29. 884736
  30. 1092727
  31. 952763904
  32. 964430272
  33. 970299
  34. 1295029
  35. 970299
  36. 941192
  37. 830584
  38. 804357
  39. 1048772096
  40. 857375

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