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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 767 · 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. 1.985³ =
  2. 2.991³ =
  3. 3.94³ =
  4. 4.995³ =
  5. 5.987³ =
  6. 6.95³ =
  7. 7.999³ =
  8. 8.1005³ =
  9. 9.98³ =
  10. 10.1003³ =
  11. 11.107³ =
  12. 12.97³ =
  13. 13.987³ =
  14. 14.99³ =
  15. 15.103³ =
  16. 16.985³ =
  17. 17.91³ =
  18. 18.93³ =
  19. 19.988³ =
  20. 20.996³ =
  21. 21.96³ =
  22. 22.1001³ =
  23. 23.1006³ =
  24. 24.104³ =
  25. 25.1020³ =
  26. 26.1010³ =
  27. 27.1017³ =
  28. 28.1018³ =
  29. 29.94³ =
  30. 30.96³ =
  31. 31.985³ =
  32. 32.991³ =
  33. 33.1006³ =
  34. 34.108³ =
  35. 35.1006³ =
  36. 36.107³ =
  37. 37.995³ =
  38. 38.984³ =
  39. 39.93³ =
  40. 40.981³ =

Answer key

  1. 955671625
  2. 973242271
  3. 830584
  4. 985074875
  5. 961504803
  6. 857375
  7. 997002999
  8. 1015075125
  9. 941192
  10. 1009027027
  11. 1225043
  12. 912673
  13. 961504803
  14. 970299
  15. 1092727
  16. 955671625
  17. 753571
  18. 804357
  19. 964430272
  20. 988047936
  21. 884736
  22. 1003003001
  23. 1018108216
  24. 1124864
  25. 1061208000
  26. 1030301000
  27. 1051871913
  28. 1054977832
  29. 830584
  30. 884736
  31. 955671625
  32. 973242271
  33. 1018108216
  34. 1259712
  35. 1018108216
  36. 1225043
  37. 985074875
  38. 952763904
  39. 804357
  40. 944076141

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